我在BlueMix上的MariaDB中没有完成最后一个流。这个应用程序在MySQL本地工作正常，最近也正常工作。它开始仅针对LONGTEXT数据类型失败，但现在甚至对VARCHAR（255）都失败：
2016-02-08T12:17:16.337+0100[App/0]OUTHibernate: insert into Property (value, name) values (?, ?)
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.internal.jta.CMTTransaction.markRollbackOnly(CMTTransaction.java:131)
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorNonTrackingImpl.beforeCompletion(SynchronizationCallbackCoordinatorNonTrackingImpl.java:118)
2016-02-08T12:17:16.356+0100[App/0]ERR at org.apache.el.parser.AstValue.invoke(AstValue.java:245)
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.jta.platform.internal.WebSphereExtendedJtaPlatform$TransactionManagerAdapter.setRollbackOnly(WebSphereExtendedJtaPlatform.java:138)
2016-02-08T12:17:16.356+0100[App/0]ERR at [internal classes]
2016-02-08T12:17:16.356+0100[App/0]ERR at java.lang.reflect.Method.invoke(Unknown Source)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.servengine.servlet.EncodingFilter.doFilter(EncodingFilter.java:40)
2016-02-08T12:17:16.356+0100[App/0]ERR at [internal classes]
2016-02-08T12:17:16.356+0100[App/0]ERR at com.cogniapi.jsf.NoCacheFilter.doFilter(NoCacheFilter.java:32)
2016-02-08T12:17:16.356+0100[App/0]ERR at [internal classes]
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization.beforeCompletion(RegisteredSynchronization.java:50)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.servengine.application.ejb.EJSLocalNSGApplicationManagerBean_04c55490.setProperty(EJSLocalNSGApplicationManagerBean_04c55490.java)
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.setRollbackOnly(TransactionCoordinatorImpl.java:326)
2016-02-08T12:17:16.356+0100[App/0]ERR at [internal classes]
2016-02-08T12:17:16.356+0100[App/0]ERR at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2016-02-08T12:17:16.356+0100[App/0]ERR at [internal classes]
2016-02-08T12:17:16.356+0100[App/0]ERR at com.servengine.servlet.ServengineWebFilter.doFilter(ServengineWebFilter.java:147)
2016-02-08T12:17:16.355+0100[App/0]ERR at org.hibernate.engine.transaction.jta.platform.internal.WebSphereExtendedJtaPlatform$TransactionManagerAdapter$TransactionAdapter$1.invoke(WebSphereExtendedJtaPlatform.java:175)
2016-02-08T12:17:16.355+0100[App/0]ERR at com.sun.proxy.$Proxy111.beforeCompletion(Unknown Source)
2016-02-08T12:17:16.356+0100[App/0]ERR at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:207)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.ibm.ws.jtaextensions.SynchronizationCallbackWrapper.beforeCompletion(SynchronizationCallbackWrapper.java:71)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:207)
2016-02-08T12:17:16.356+0100[App/0]ERR at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2016-02-08T12:17:16.356+0100[App/0]ERR at com.servengine.application.ApplicationPreferencesAdminView.store(ApplicationPreferencesAdminView.java:51)
2016-02-08T12:17:16.355+0100[App/0]ERR[ERROR ] WTRN0074E: Exception caught from before_completion synchronization operation: java.lang.UnsupportedOperationException
2016-02-08T12:51:27.640+0100[App/0]OUT[AUDIT ] J2CA0056I: The Connection Manager received a fatal connection error from the Resource Adapter for resource jdbc/CogniAPIDS. The exception is: java.sql.SQLNonTransientConnectionException: Could not send query: Last stream not finished:org.mariadb.jdbc.internal.util.dao.QueryException: Could not send query: Last stream not finished:java.io.IOException: Last stream not finished
2016-02-08T12:51:27.668+0100[App/0]OUT[INFO ] FFDC1015I: An FFDC Incident has been created: "javax.transaction.xa.XAException: Could not send query: Last stream not finished com.ibm.ws.rsadapter.spi.WSRdbXaResourceImpl.end 438" at ffdc_16.02.08_12.51.27.0.log
2016-02-08T12:51:27.671+0100[App/0]ERR[ERROR ] DSRA0302E: XAException occurred. Error code is: UNKNOWN XA EXCEPTION CODE (0). Exception is: Could not send query: Last stream not finished
2016-02-08T12:51:27.671+0100[App/0]ERR[ERROR ] DSRA0304E: XAException occurred. XAException contents and details are: The cause is : null.
2016-02-08T12:51:27.933+0100[App/0]OUT[INFO ] FFDC1015I: An FFDC Incident has been created: "javax.transaction.xa.XAException: Could not send query: Last stream not finished com.ibm.ejs.j2c.XATransactionWrapper.end 417" at ffdc_16.02.08_12.51.27.1.log
2016-02-08T12:51:27.973+0100[App/0]OUT[INFO ] FFDC1015I: An FFDC Incident has been created: "javax.transaction.xa.XAException: Could not send query: Last stream not finished com.ibm.tx.jta.impl.JTAXAResourceImpl.end 307" at ffdc_16.02.08_12.51.27.2.log
2016-02-08T12:51:27.996+0100[App/0]OUT[INFO ] FFDC1015I: An FFDC Incident has been created: "javax.transaction.xa.XAException: Could not send query: Last stream not finished com.ibm.tx.jta.impl.RegisteredResources.sendEnd 1157" at ffdc_16.02.08_12.51.27.3.log
2016-02-08T12:51:28.011+0100[App/0]OUT[INFO ] FFDC1015I: An FFDC Incident has been created: "java.sql.SQLNonTransientConnectionException: Could not send query: Last stream not finished com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.destroy 1005" at ffdc_16.02.08_12.51.27.4.log