Hello all,
I'm running GWT v2.0.4 (Eclipse plugin). My GWT application makes a
number of calls to a databade implementation class, which in turn
retrieves connections from a connection pool (DBCP provided by the
Apacahe Commons project). The GWT application was working fine before
my upgrade to 2.0.4 but now fails with the following:
2010-12-09 16:30:47,293 [btpool0-0] FATAL com.searchsystem.db.Pool -
Unable to get a connection from Pool
org.apache.commons.dbcp.SQLNestedException: Cannot get a connection,
general error
at
org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:
118)
at com.searchsystem.db.Pool.getConnection(Pool.java:59)
at com.searchsystem.db.MySQLImpl.fetchIPOwner(MySQLImpl.java:407)
at
com.searchsystem.db.MySQLImpl.fetchIPOwnersBySubscriptionId(MySQLImpl.java:
495)
at
com.searchsystem.gwt.server.MySQLConnection.fetchAllUnviewedInterimReports(MySQLConnection.java:
77)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
43)
at java.lang.reflect.Method.invoke(Method.java:616)
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:
562)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
188)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:
224)
at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:
62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
487)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
362)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
729)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
405)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at
org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:
49)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
505)
at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:843)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
395)
at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at
org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:
1104)
at
org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:
106)
Is it possible that the thread which is being interrupted is under the
control of GWT? The reason I ask this is the last post found here:
http://web.archiveorange.com/archive/v/YxxQ1hAxtTqavlnT6pj5
Any clues on how to resolve this? Alternatively, how to I downgrade to
the previous Eclipse version of GWT?
Thank you
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