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    I tried to login into the 9.0.1 workplace this morning and got:<br>
    <br>
    <i><small><small><font face="Courier New, Courier, monospace">An SQL
            error occurred when executing the following query:
            com.mysql.jdbc.JDBC4PreparedStatement@191b0b1: EXCEPTION:
            com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
            No operations allowed after statement closed.. <br>
            Reason: The last packet successfully received from the
            server was 47,922,526 milliseconds ago. The last packet sent
            successfully to the server was 47,922,526 milliseconds ago.
            is longer than the server configured value of
            'wait_timeout'. You should consider either expiring and/or
            testing connection validity before use in your application,
            increasing the server configured values for client timeouts,
            or using the Connector/J connection property
            'autoReconnect=true' to avoid this problem.<br>
            Reason: Broken pipe
          </font></small></small></i><br>
    <pre><pre>org.opencms.db.CmsDbSqlException: An SQL error occurred when executing the following query: com.mysql.jdbc.JDBC4PreparedStatement@191b0b1: EXCEPTION: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed.. 
        at org.opencms.db.generic.CmsVfsDriver.readResource(CmsVfsDriver.java:2330)
        at org.opencms.db.CmsDriverManager.readResource(CmsDriverManager.java:7500)
        at org.opencms.db.CmsSecurityManager.readResource(CmsSecurityManager.java:7241)
        at org.opencms.db.CmsSecurityManager.readResource(CmsSecurityManager.java:4898)
        at org.opencms.file.CmsObject.readResource(CmsObject.java:2957)
        at org.opencms.file.CmsObject.readResource(CmsObject.java:2924)
        at org.opencms.file.CmsObject.readDefaultFile(CmsObject.java:2252)
        at org.opencms.main.OpenCmsCore.initResource(OpenCmsCore.java:1493)
        at org.opencms.main.OpenCmsCore.showResource(OpenCmsCore.java:1716)
        at org.opencms.main.OpenCmsServlet.doGet(OpenCmsServlet.java:153)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 47,922,526 milliseconds ago.  The last packet sent successfully to the server was 47,922,526 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3941)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2551)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2818)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2157)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2324)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
        at org.opencms.db.generic.CmsVfsDriver.readResource(CmsVfsDriver.java:2309)
        ... 27 more
Caused by: java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:113)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
        at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3922)
        ... 36 more</pre></pre>
    Only restarting Tomcat7 again made it possible to login again.<br>
    <br>
    <br>
    <div class="moz-signature">-- <br>
      Chris Christoph P. U. Kukulies kukulies (at) rwth-aachen.de
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