I've recently upgraded a 1.4.2 jsp install of DSpace to 1.5.2 Manakin,
moving to a new server in the process. Everything seems to work OK but
after a Google crawl or intense activity, my Manakin-based interface
crashes with this sort of message (the jspui interface continues working).
Here's a full java stack error. Cascade of doom triggered by "Timeout
waiting for idle object"
site: http://digilib.gmu.edu:8080/xmlui
Mac OS X Server (10.5.8)
Tomcat 6.0.20
DSpace 1.5.2
Postgres 8.3.7
/dspace/config/dspace.cfg shows these values:
# Connection pool parameters
# Maximum number of DB connections in pool
db.maxconnections = 50
# Maximum time to wait before giving up if all connections in pool are
busy (milliseconds)
db.maxwait = 5000
# Maximum number of idle connections in pool (-1 = unlimited)
db.maxidle = -1
# Determine if prepared statement should be cached. (default is true)
db.statementpool = true
I have plenty of memory in this server (12GB), is there a way I can
increase the number of pools or whatever to at least reduce the
frequency of this problem?
Any help greatly appreciated (I really don't want to have to go back to
the jsp interface).
- Wally
Wally Grotophorst
Associate University Librarian
Digital Programs and Systems
University Libraries
George Mason University
Fairfax, Virginia 22030
(703) 993-9005
org.apache.cocoon.ProcessingException: Failed to process pipeline
at<map:serialize type="xml"> -
jndi:/localhost/xmlui/aspects/aspects.xmap:115:34
at<map:transform type="PageNotFound"> -
jndi:/localhost/xmlui/aspects/aspects.xmap:114:43
at<map:generate> - jndi:/localhost/xmlui/aspects/aspects.xmap:113:22
at<map:serialize type="xhtml"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:184:34
at<map:transform type="NamespaceFilter"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:181:84
at<map:transform type="NamespaceFilter"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:180:78
at<map:transform type="i18n"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:174:33
at<map:transform> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:170:40
at<map:transform type="IncludePageMeta"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:155:45
at<map:generate type="file"> -
jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:131:55
at<map:match> - jndi:/localhost/xmlui/themes/Mason/sitemap.xmap:128:28
at<map:mount> - jndi:/localhost/xmlui/themes/themes.xmap:63:45
at<map:match type="ThemeMatcher"> -
jndi:/localhost/xmlui/themes/themes.xmap:62:35
at<map:mount> - jndi:/localhost/xmlui/sitemap.xmap:383:73
at
org.apache.cocoon.ProcessingException.throwLocated(ProcessingException.java:143)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.handleException(AbstractProcessingPipeline.java:923)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:372)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at $Proxy20.prepareInternal(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
at
org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
at
org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
at
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
at
org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
at
org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99)
at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at $Proxy21.setup(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:411)
at sun.reflect.GeneratedMethodAccessor99.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at $Proxy20.process(Unknown Source)
at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:147)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351)
at
org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169)
at
org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
at
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
at
org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy15.service(Unknown Source)
at
org.apache.cocoon.servletservice.DispatcherServlet.service(DispatcherServlet.java:106)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:142)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:244)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.cocoon.servlet.multipart.MultipartFilter.doFilter(MultipartFilter.java:131)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:613)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot get a connection,
pool error: Timeout waiting for idle object
at
org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer.handleException(AbstractDSpaceTransformer.java:140)
at
org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer.setup(AbstractDSpaceTransformer.java:124)
at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at $Proxy26.setup(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:356)
... 89 more
Caused by: 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:525)
at java.sql.DriverManager.getConnection(DriverManager.java:193)
at
org.dspace.storage.rdbms.DatabaseManager.getConnection(DatabaseManager.java:550)
at org.dspace.core.Context.<init>(Context.java:128)
at
org.dspace.app.xmlui.utils.ContextUtil.obtainContext(ContextUtil.java:88)
at
org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer.setup(AbstractDSpaceTransformer.java:111)
... 95 more
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)
... 101 more
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