[2026-10-15 09:02:01,784][ERROR][redisson-timer-4-1] Unable to send PING command over channel: [id: 0x923387bc, L:/198.18.0.1:56382 - R:8.162.3.203/8.162.3.203:6379] (PingConnectionHandler.java:92)
org.redisson.client.RedisTimeoutException: Command execution timeout for command: (PING), params: [], Redis client: [addr=redis://8.162.3.203:6379]
	at org.redisson.client.RedisConnection.lambda$async$0(RedisConnection.java:244) ~[redisson-3.17.7.jar:3.17.7]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:715) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:703) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:790) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:503) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 09:02:01,788][ERROR][redisson-timer-4-1] Unable to send PING command over channel: [id: 0x1e26a95e, L:/198.18.0.1:56384 - R:8.162.3.203/8.162.3.203:6379] (PingConnectionHandler.java:92)
org.redisson.client.RedisTimeoutException: Command execution timeout for command: (PING), params: [], Redis client: [addr=redis://8.162.3.203:6379]
	at org.redisson.client.RedisConnection.lambda$async$0(RedisConnection.java:244) ~[redisson-3.17.7.jar:3.17.7]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:715) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:703) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:790) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:503) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 09:02:01,885][ERROR][redisson-timer-4-1] Unable to send PING command over channel: [id: 0x07f0b4e0, L:/198.18.0.1:56388 - R:8.162.3.203/8.162.3.203:6379] (PingConnectionHandler.java:92)
org.redisson.client.RedisTimeoutException: Command execution timeout for command: (PING), params: [], Redis client: [addr=redis://8.162.3.203:6379]
	at org.redisson.client.RedisConnection.lambda$async$0(RedisConnection.java:244) ~[redisson-3.17.7.jar:3.17.7]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:715) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:703) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:790) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:503) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.101.Final.jar:4.1.101.Final]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 10:59:56,453][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:00:00,146][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:16:19,344][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:16:21,587][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:31:22,346][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:48:37,816][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 11:48:41,519][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:05:35,339][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:17:19,118][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:17:23,476][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:19:09,482][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:19:13,365][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:19:17,005][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:19:20,603][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[2026-10-15 12:19:25,112][ERROR][Druid-ConnectionPool-Create-900327013] create connection SQLException, url: jdbc:kingbase8://8.162.3.203:54321/economic_crime_dev?currentSchema=public&clientEncoding=utf8&socketTimeout=30000&loginTimeout=30, errorCode 0, state 08001 (DruidDataSource.java:2916)
com.kingbase8.util.KSQLException: The _connection attempt failed.Reason:null
	at com.kingbase8.Driver$ConnectThread.getResult(Driver.java:491) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.connect(Driver.java:312) ~[kingbase8-8.6.0.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803) ~[druid-1.2.23.jar:?]
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914) ~[druid-1.2.23.jar:?]
Caused by: java.io.EOFException
	at com.kingbase8.core.KBStream.receiveChar(KBStream.java:587) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.enableSSL(ConnectionFactoryImpl.java:568) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:207) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:280) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.core.ConnectionFactory.openConnection(ConnectionFactory.java:65) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:336) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.jdbc.KbConnection.<init>(KbConnection.java:548) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.makeConnection(Driver.java:576) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver.access$100(Driver.java:52) ~[kingbase8-8.6.0.jar:?]
	at com.kingbase8.Driver$ConnectThread.run(Driver.java:440) ~[kingbase8-8.6.0.jar:?]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]