Hello to all,
I am using DSpace 1.5.2 with postgreSQL and my site is running on internet
24 hrs. But some time I am getting the Internal Server Error while browsing
to DSpace
When I check log I found this error
2010-04-14 05:54:49,727 WARN org.dspace.app.webui.servlet.DSpaceServlet @
anonymous:no_context:database_error:org.apache.commons.dbcp.SQLNestedException\colon;
Cannot get a connection, pool error\colon; Timeout waiting for idle object
org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool
error: Timeout waiting for idle object
at org.apache.commons.dbcp.PoolingDriver.connect(PoolingDriver.java:184)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at
org.dspace.storage.rdbms.DatabaseManager.getConnection(DatabaseManager.java:616)
at org.dspace.core.Context.<init>(Context.java:128)
at org.dspace.app.webui.util.UIUtil.obtainContext(UIUtil.java:113)
at
org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:132)
at
org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:99)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
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.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
at
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:958)
at org.apache.commons.dbcp.PoolingDriver.connect(PoolingDriver.java:176)
... 24 more
2010-04-14 05:56:30,872 WARN org.dspace.app.webui.servlet.DSpaceServlet @
anonymous:no_context:database_error:org.apache.commons.dbcp.SQLNestedException\colon;
Cannot get a connection, pool error\colon; Timeout waiting for idle object
org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool
error: Timeout waiting for idle object
at org.apache.commons.dbcp.PoolingDriver.connect(PoolingDriver.java:184)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at
org.dspace.storage.rdbms.DatabaseManager.getConnection(DatabaseManager.java:616)
at org.dspace.core.Context.<init>(Context.java:128)
at org.dspace.app.webui.util.UIUtil.obtainContext(UIUtil.java:113)
at
org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:132)
at
org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:99)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
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.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
at
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:958)
at org.apache.commons.dbcp.PoolingDriver.connect(PoolingDriver.java:176)
... 24 more
Also I often find this error.
--
Regards,
Rajshekhar Pandey
Jr. Software Engineer
Webinito Networks.
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