Hi,
I see the following exception when executing G-Reg performance tests on
Windows. Is this simply because the connection has been lost with mySQL DB?
Note that I have connected the user store DB to mySQL.
***************************************************************************************************************************************
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 milliseconds
ago.
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link
failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 milliseconds
ago.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2214)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:781)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
at sun.reflect.GeneratedConstructorAccessor102.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:284)
at
org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at
org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1121)
at
org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
at
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at
org.wso2.carbon.user.core.hybrid.HybridRoleManager.getDBConnection(HybridRoleManager.java:389)
at
org.wso2.carbon.user.core.hybrid.HybridRoleManager.getHybridRoleListOfUser(HybridRoleManager.java:218)
at
org.wso2.carbon.user.core.ldap.LDAPUserStoreManager.getRoleListOfUser(LDAPUserStoreManager.java:516)
at
org.wso2.carbon.user.core.authorization.JDBCAuthorizationManager.isUserAuthorized(JDBCAuthorizationManager.java:132)
at
org.wso2.carbon.registry.core.jdbc.realm.RegistryAuthorizationManager.isUserAuthorized(RegistryAuthorizationManager.java:169)
at
org.wso2.carbon.registry.core.utils.AuthorizationUtils.authorize(AuthorizationUtils.java:51)
at
org.wso2.carbon.registry.app.RegistryResolver.resolve(RegistryResolver.java:505)
at
org.wso2.carbon.registry.app.RegistryResolver.resolve(RegistryResolver.java:62)
at
org.apache.abdera.protocol.server.impl.AbstractProvider.resolveTarget(AbstractProvider.java:99)
at
org.apache.abdera.protocol.server.context.AbstractRequestContext.initTarget(AbstractRequestContext.java:72)
at
org.apache.abdera.protocol.server.servlet.ServletRequestContext.<init>(ServletRequestContext.java:62)
at
org.apache.abdera.protocol.server.servlet.AbderaServlet.service(AbderaServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:155)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at
org.wso2.carbon.server.TomcatServer$1.invoke(TomcatServer.java:241)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:396)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:356)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1534)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 mil
liseconds ago.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3052)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2938)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3481)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:919)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3996)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1284)
at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2142)
... 49 more
Caused by: java.io.EOFException: Can not read response from server. Expected
to read 4 bytes, read 0 bytes before connection was unexpectedl
y lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2497)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2949)
... 55 more
[2011-06-08 11:47:23,093] ERROR
{org.wso2.carbon.registry.core.utils.AuthorizationUtils} - Could not check
authorization.
Caused by Communications link failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 mil
liseconds ago.
org.wso2.carbon.user.core.UserStoreException: Communications link failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 mil
liseconds ago.
at
org.wso2.carbon.user.core.hybrid.HybridRoleManager.getHybridRoleListOfUser(HybridRoleManager.java:235)
at
org.wso2.carbon.user.core.ldap.LDAPUserStoreManager.getRoleListOfUser(LDAPUserStoreManager.java:516)
at
org.wso2.carbon.user.core.authorization.JDBCAuthorizationManager.isUserAuthorized(JDBCAuthorizationManager.java:132)
at
org.wso2.carbon.registry.core.jdbc.realm.RegistryAuthorizationManager.isUserAuthorized(RegistryAuthorizationManager.java:169)
at
org.wso2.carbon.registry.core.utils.AuthorizationUtils.authorize(AuthorizationUtils.java:51)
at
org.wso2.carbon.registry.app.RegistryResolver.resolve(RegistryResolver.java:505)
at
org.wso2.carbon.registry.app.RegistryResolver.resolve(RegistryResolver.java:62)
at
org.apache.abdera.protocol.server.impl.AbstractProvider.resolveTarget(AbstractProvider.java:99)
at
org.apache.abdera.protocol.server.context.AbstractRequestContext.initTarget(AbstractRequestContext.java:72)
at
org.apache.abdera.protocol.server.servlet.ServletRequestContext.<init>(ServletRequestContext.java:62)
at
org.apache.abdera.protocol.server.servlet.AbderaServlet.service(AbderaServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:155)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at
org.wso2.carbon.server.TomcatServer$1.invoke(TomcatServer.java:241)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:396)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:356)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1534)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 mil
liseconds ago.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2214)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:781)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
at sun.reflect.GeneratedConstructorAccessor102.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:284)
at
org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at
org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1121)
at
org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
at
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at
org.wso2.carbon.user.core.hybrid.HybridRoleManager.getDBConnection(HybridRoleManager.java:389)
at
org.wso2.carbon.user.core.hybrid.HybridRoleManager.getHybridRoleListOfUser(HybridRoleManager.java:218)
... 34 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure
The last packet successfully received from the server was 984 milliseconds
ago. The last packet sent successfully to the server was 984 mil
liseconds ago.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3052)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2938)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3481)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:919)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3996)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1284)
at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2142)
... 49 more
Caused by: java.io.EOFException: Can not read response from server. Expected
to read 4 bytes, read 0 bytes before connection was unexpectedl
y lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2497)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2949)
... 55 more
Regards,
Evanthika
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