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java.sql.SQLException: Protocol violation (merged) [message #388836] Thu, 26 February 2009 06:14 Go to next message
waqasbhai
Messages: 118
Registered: August 2008
Location: Pakistan
Senior Member
Hi,
I am having the following exception

java.sql.SQLException: Protocol violation
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
	at oracle.jdbc.driver.DatabaseError.check_error(DatabaseError.java:885)
	at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOauth(T4CTTIoauthenticate.java:656)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:361)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:151)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:595)
	at java.sql.DriverManager.getConnection(DriverManager.java:525)
	at java.sql.DriverManager.getConnection(DriverManager.java:171)
	at tsheet.connect.DBConnect.getDBConnection(DBConnect.java:22)
	at tsheet.LoginUser.userBean.validateUser(userBean.java:38)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.el.parser.AstValue.invoke(AstValue.java:152)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:387)
	at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
	at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
	at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
	at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:466)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:595)

Everything was working fine just an hour earlier, before this exception showing me up.
Any suggestions/reasons???
Re: java.sql.SQLException: Protocol violation [message #388838 is a reply to message #388836] Thu, 26 February 2009 06:16 Go to previous messageGo to next message
Michel Cadot
Messages: 68712
Registered: March 2007
Location: Saint-Maur, France, https...
Senior Member
Account Moderator
Why do you think it is an Oracle error?

Regards
Michel
Re: java.sql.SQLException: Protocol violation [message #388840 is a reply to message #388836] Thu, 26 February 2009 06:17 Go to previous messageGo to next message
Michel Cadot
Messages: 68712
Registered: March 2007
Location: Saint-Maur, France, https...
Senior Member
Account Moderator
The only related point that I can see is:
ORA-03125: "client-server protocol violation"
 *Cause: The application received a bad escape sequence from the server and
         may indicate a problem with the client application user code.
 *Action:  Contact your customer support representative.

Regards
Michel
Re: java.sql.SQLException: Protocol violation [message #388845 is a reply to message #388836] Thu, 26 February 2009 06:27 Go to previous message
waqasbhai
Messages: 118
Registered: August 2008
Location: Pakistan
Senior Member
there is a problem with the database connection, isn't it? I debug the code and found that it was unable to connect to the database
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