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sys-error.2026-06-27.log

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The last packet successfully received from the server was 1 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2022)
	at com.mysql.cj.jdbc.ConnectionImpl.handleAutoCommitDefaults(ConnectionImpl.java:1333)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1283)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 1 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor104.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:998)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:655)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005)
	... 13 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
	... 19 common frames omitted
00:13:05.074 [Druid-ConnectionPool-Create-1086849943] ERROR c.a.d.p.DruidDataSource - [run,2916] - create connection SQLException, url: jdbc:mysql://mr-h8af2y5dv8wnuwz5qr.rwlb.rds.aliyuncs.com:3306/game?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2022)
	at com.mysql.cj.jdbc.ConnectionImpl.handleAutoCommitDefaults(ConnectionImpl.java:1333)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1283)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor104.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:998)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:655)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005)
	... 13 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
	... 19 common frames omitted
00:13:05.577 [Druid-ConnectionPool-Create-1086849943] ERROR c.a.d.p.DruidDataSource - [run,2916] - create connection SQLException, url: jdbc:mysql://mr-h8af2y5dv8wnuwz5qr.rwlb.rds.aliyuncs.com:3306/game?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2022)
	at com.mysql.cj.jdbc.ConnectionImpl.handleAutoCommitDefaults(ConnectionImpl.java:1333)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1283)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor104.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:998)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:655)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005)
	... 13 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
	... 19 common frames omitted
00:13:06.080 [Druid-ConnectionPool-Create-1086849943] ERROR c.a.d.p.DruidDataSource - [run,2916] - create connection SQLException, url: jdbc:mysql://mr-h8af2y5dv8wnuwz5qr.rwlb.rds.aliyuncs.com:3306/game?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2022)
	at com.mysql.cj.jdbc.ConnectionImpl.handleAutoCommitDefaults(ConnectionImpl.java:1333)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1283)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor104.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:998)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:655)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005)
	... 13 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
	... 19 common frames omitted
08:10:42.869 [OkHttp https://bsc-mainnet.core.chainstack.com/...] ERROR c.a.d.f.s.StatFilter - [internalAfterStatementExecute,518] - slow sql 3091 millis. insert ignore into nexus_deposit_tx (
            tx_hash, log_index, block_number, from_address, to_address, to_address_lower, amount,
            confirmations, matched_order_no, match_status, raw_log_json, create_time
        ) values (
            ?, ?, ?, ?, ?, ?, ?,
            ?, ?, ?, ?, sysdate()
        ) ["0x41211c8aca043fc564cecfec1141ebd758059127c7ffca660193e51e177d96cc",371,106578828,"0x661f1ae9f771ac618f1e37ff80aa6c6a3ce8ebac","0x03a4ab413665c3e7c93f06d4fe4ad63e2e134b51","0x03a4ab413665c3e7c93f06d4fe4ad63e2e134b51",2.601319758175567325,1,null,"UNMATCHED","{\"address\":\"0x91e366a00289a4b5d962651ed01b00c0a74d6689\",\"topics\":[\"0xddf252ad1be2c89b69c2b068fc37..."]