系统升级后，启动有报错信息

琪琪

系统从7.1.3升级到9.0.2，启动系统，有报错信息，如下：




2024-03-27 16:02:11.779 [com.x.program.center.LogQueue] ERROR com.alibaba.druid.pool.DruidPooledStatement - CommunicationsException, druid version 1.2.14, jdbcUrl : jdbc:mysql://127.0.0.1:3306/o2server?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8, testWhileIdle true, idle millis 10055, minIdle 0, poolingCount 3, timeBetweenEvictionRunsMillis 60000, lastValidIdleMillis 10055, driver com.mysql.cj.jdbc.Driver, exceptionSorter com.alibaba.druid.pool.vendor.MySqlExceptionSorter
2024-03-27 16:02:11.783 [com.x.program.center.LogQueue] ERROR com.alibaba.druid.pool.DruidDataSource - {conn-10003} discard
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago.
        at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:916) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:972) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3225) ~[druid-1.2.14.jar:?]
        at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:459) ~[druid-1.2.14.jar:?]
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3222) ~[druid-1.2.14.jar:?]
        at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:166) ~[druid-1.2.14.jar:?]
        at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:213) ~[druid-1.2.14.jar:?]
        at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:302) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeQuery(LoggingConnectionDecorator.java:1169) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:300) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeQuery(JDBCStoreManager.java:1870) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:290) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.jdbc.sql.SelectImpl.executeQuery(SelectImpl.java:531) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:456) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:413) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.open(SelectResultObjectProvider.java:95) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.open(QueryImpl.java:2187) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1314) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1061) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:911) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:842) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:601) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:297) ~[openjpa-3.2.2.jar:3.2.2]
        at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:314) ~[openjpa-3.2.2.jar:3.2.2]
        at com.x.base.core.container.EntityManagerContainer.idsLessThanMax(EntityManagerContainer.java:1154) ~[x_base_core_project.jar:?]
        at com.x.program.center.LogQueue.clean(LogQueue.java:95) ~[classes/:?]
        at com.x.program.center.LogQueue.doAsScheduleLog(LogQueue.java:43) ~[classes/:?]
        at com.x.program.center.LogQueue.execute(LogQueue.java:31) ~[classes/:?]
        at com.x.program.center.LogQueue.execute(LogQueue.java:20) ~[classes/:?]
        at com.x.base.core.project.queue.AbstractQueue$1.run(AbstractQueue.java:44) ~[x_base_core_project.jar:?]
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago.
        at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
        at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
        at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.NativeSession.execSQL(NativeSession.java:657) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:893) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        ... 30 more
Caused by: java.net.SocketTimeoutException: Read timed out
        at java.net.SocketInputStream.socketRead0(Native Method) ~[?:?]
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:115) ~[?:?]
        at java.net.SocketInputStream.read(SocketInputStream.java:168) ~[?:?]
        at java.net.SocketInputStream.read(SocketInputStream.java:140) ~[?:?]
        at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484) ~[?:?]
        at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478) ~[?:?]
        at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70) ~[?:?]
        at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1459) ~[?:?]
        at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1070) ~[?:?]
        at java.io.FilterInputStream.read(FilterInputStream.java:133) ~[?:?]
        at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.NativeSession.execSQL(NativeSession.java:657) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:893) ~[mysql-connector-j-8.0.33.jar:8.0.33]
        ... 30 more
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err - <openjpa-3.2.2-re5933d6 fatal general error> org.apache.openjpa.persistence.PersistenceException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago. {prepstmnt 992664761 SELECT t0.xid FROM CTE_SCHEDULELOG t0 WHERE (t0.xcreateTime < ?) LIMIT ?, ?} [code=0, state=08S01]
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:5326)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:5286)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:134)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:115)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:67)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.handleCheckedException(SelectResultObjectProvider.java:162)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.handleCheckedException(QueryImpl.java:2235)
2024-03-27 16:02:11.795 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:42)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1314)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1061)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:911)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:842)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:601)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:297)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:314)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at com.x.base.core.container.EntityManagerContainer.idsLessThanMax(EntityManagerContainer.java:1154)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.clean(LogQueue.java:95)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.doAsScheduleLog(LogQueue.java:43)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.execute(LogQueue.java:31)
2024-03-27 16:02:11.796 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.execute(LogQueue.java:20)
2024-03-27 16:02:11.798 [com.x.program.center.LogQueue] INFO System.err -         at com.x.base.core.project.queue.AbstractQueue$1.run(AbstractQueue.java:44)
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err - Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago. {prepstmnt 992664761 SELECT t0.xid FROM CTE_SCHEDULELOG t0 WHERE (t0.xcreateTime < ?) LIMIT ?, ?} [code=0, state=08S01]
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingConnectionDecorator.java:219)
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingConnectionDecorator.java:203)
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$700(LoggingConnectionDecorator.java:58)
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeQuery(LoggingConnectionDecorator.java:1171)
2024-03-27 16:02:11.799 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:300)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeQuery(JDBCStoreManager.java:1870)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:290)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.executeQuery(SelectImpl.java:531)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:456)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:413)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.open(SelectResultObjectProvider.java:95)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.open(QueryImpl.java:2187)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err -         ... 13 more
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err - NestedThrowables:
2024-03-27 16:02:11.800 [com.x.program.center.LogQueue] INFO System.err - com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago.
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:916)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:972)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3225)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:459)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3222)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:166)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:213)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:302)
2024-03-27 16:02:11.801 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeQuery(LoggingConnectionDecorator.java:1169)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:300)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeQuery(JDBCStoreManager.java:1870)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:290)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.executeQuery(SelectImpl.java:531)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:456)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:413)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.open(SelectResultObjectProvider.java:95)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.open(QueryImpl.java:2187)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1314)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1061)
2024-03-27 16:02:11.802 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:911)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:842)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:601)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:297)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:314)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.base.core.container.EntityManagerContainer.idsLessThanMax(EntityManagerContainer.java:1154)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.clean(LogQueue.java:95)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.doAsScheduleLog(LogQueue.java:43)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.execute(LogQueue.java:31)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.program.center.LogQueue.execute(LogQueue.java:20)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err -         at com.x.base.core.project.queue.AbstractQueue$1.run(AbstractQueue.java:44)
2024-03-27 16:02:11.803 [com.x.program.center.LogQueue] INFO System.err - Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,031 milliseconds ago.
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
2024-03-27 16:02:11.804 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052)
2024-03-27 16:02:11.805 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.NativeSession.execSQL(NativeSession.java:657)
2024-03-27 16:02:11.805 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:893)
2024-03-27 16:02:11.809 [com.x.program.center.LogQueue] INFO System.err -         ... 30 more
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err - Caused by: java.net.SocketTimeoutException: Read timed out
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.net.SocketInputStream.socketRead0(Native Method)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.net.SocketInputStream.socketRead(SocketInputStream.java:115)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.net.SocketInputStream.read(SocketInputStream.java:168)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.net.SocketInputStream.read(SocketInputStream.java:140)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
2024-03-27 16:02:11.810 [com.x.program.center.LogQueue] INFO System.err -         at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1459)
2024-03-27 16:02:11.811 [com.x.program.center.LogQueue] INFO System.err -         at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1070)
2024-03-27 16:02:11.811 [com.x.program.center.LogQueue] INFO System.err -         at java.base/java.io.FilterInputStream.read(FilterInputStream.java:133)
2024-03-27 16:02:11.811 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
2024-03-27 16:02:11.811 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
2024-03-27 16:02:11.811 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
2024-03-27 16:02:11.814 [com.x.program.center.LogQueue] INFO System.err -         ... 35 more

启蒙星

我看错误是链接mysql，确定你的mysql能正常连接，确定地址没有问题：jdbc:mysql://127.0.0.1:3306/o2server?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8，如果都没有问题尝试增加数据连接配置参数，在url后面追加参数：&connectTimeout=3000&socketTimeout=60000