Error 500

[Fee]

Hi guys

I keep getting a message on my forum that says





Error 500
select event,last_modified from http_cache where event in ('13:1371384','2:1371384:1371384','1:1371384:1371384')
Message: FATAL: sorry, too many clients already
RequestURI: /
Server: n2.nabble.com
Caused by:
java.lang.RuntimeException: select event,last_modified from http_cache where event in ('13:1371384','2:1371384:1371384','1:1371384:1371384')
        at fschmidt.util.servlet.DbCache.lastModifieds(DbCache.java:132)
        at fschmidt.util.servlet.MemCache.lastModifieds(MemCache.java:56)
        at fschmidt.util.servlet.JtpContextServlet.getLastModified(JtpContextServlet.java:518)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:412)
        at fschmidt.util.servlet.JtpContextServlet.service(JtpContextServlet.java:332)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:565)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1360)
        at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:77)
        at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:144)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
        at cachingfilter.CachingFilter.doFilter(CachingFilter.java:133)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
        at fschmidt.util.servlet.BadBotFilter.doFilter(BadBotFilter.java:74)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
        at fschmidt.util.servlet.ConnectionLimitFilter.doFilter(ConnectionLimitFilter.java:94)
        at nabble.view.lib.NabbleConnectionLimitFilter.doFilter(NabbleConnectionLimitFilter.java:26)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
        at nabble.view.lib.NabbleErrorFilter.doFilter(NabbleErrorFilter.java:21)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:477)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
        at org.eclipse.jetty.server.Server.handle(Server.java:349)
        at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:449)
        at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:910)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:634)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230)
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:76)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45)
        at nabble.model.Executors$1$1.run(Executors.java:27)
        at fschmidt.util.executor.ThreadTimer$1.run(ThreadTimer.java:18)
        at fschmidt.util.executor.AbstractThreadPool$1.run(AbstractThreadPool.java:29)
        at java.lang.Thread.run(Thread.java:722)
Caused by: org.postgresql.util.PSQLException: FATAL: sorry, too many clients already
        at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:293)
        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:108)
        at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:66)
        at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java:125)
        at org.postgresql.jdbc3.AbstractJdbc3Connection.<init>(AbstractJdbc3Connection.java:30)
        at org.postgresql.jdbc3g.AbstractJdbc3gConnection.<init>(AbstractJdbc3gConnection.java:22)
        at org.postgresql.jdbc4.AbstractJdbc4Connection.<init>(AbstractJdbc4Connection.java:32)
        at org.postgresql.jdbc4.Jdbc4Connection.<init>(Jdbc4Connection.java:24)
        at org.postgresql.Driver.makeConnection(Driver.java:393)
        at org.postgresql.Driver.connect(Driver.java:267)
        at java.sql.DriverManager.getConnection(DriverManager.java:579)
        at java.sql.DriverManager.getConnection(DriverManager.java:190)
        at fschmidt.db.base.DbDatabaseImpl.getConnection(DbDatabaseImpl.java:67)
        at fschmidt.db.pool.PooledConnection.<init>(PooledConnection.java:68)
        at fschmidt.db.pool.Pool.getConnection2(Pool.java:149)
        at fschmidt.db.pool.Pool.getConnection(Pool.java:118)
        at fschmidt.db.pool.DbDatabaseImpl.getConnection(DbDatabaseImpl.java:132)
        at fschmidt.db.extend.FilterDatabase.getConnection(FilterDatabase.java:67)
        at fschmidt.util.servlet.DbCache.lastModifieds(DbCache.java:114)
        ... 41 more


 I get this when trying to write a reply.  It's not all the time but is happening a lot in this past week also I think my members are getting it as well.