Hi all.
We are using dspace 1.5.2 version and and we are having some problems every
3-4 hours getting this error:
2010-04-13 09:01:38,521 WARN org.dspace.jsp @
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:550)
at org.dspace.core.Context.<init>(Context.java:128)
at org.dspace.app.webui.util.UIUtil.obtainContext(UIUtil.java:113)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:101)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
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:191)
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:293)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
Do you know any solution? The problem is solved when we restart Tomcat but
it appears again 3-4 hours later...
Thak's in advance!
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