Hi Ayesha,
<<Adding Sameera Jayasoma & Sagara to the thread for an extra attention>>
I have noted the following issue in AS on JIT (Carbon 4.3.0) which occurs
randomly. See the logged exception. Chaminda has reported the same issue on API
Manager 1.6 with the patch 0342.
[2014-07-08 10:51:47,189] ERROR {org.apache.catalina.core.StandardContext}
- Servlet / threw load() exception
java.lang.ClassNotFoundException:
org.wso2.carbon.tomcat.ext.servlet.DelegationServlet
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1718)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
at
org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:529)
at
org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:511)
at
org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1143)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5210)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5493)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
On Tue, Jul 8, 2014 at 11:27 AM, Ayesha Dissanayaka <[email protected]> wrote:
> Hi,
>
> I was trying to fix "ES 1.2.0 Pack randomly hangs on server start up".[01]
>
> While tying to fix above issue, I compared debug logs and observed that
> server caused to hang-up when
> "org.wso2.carbon.tomcat.ext.servlet.DelegationServlet" is not activated.
>
> Compared debug logs are as bellow.
>
> ------------------------------- Log snippet when server continued to start
> sucesfully---------------
>
> TID: [0] [ES] [2014-07-06 16:50:09,297] DEBUG
> {org.apache.axiom.om.util.StAXUtils} - XMLStreamReader is
> org.apache.axiom.util.stax.dialect.SJSXPStreamReaderWrapper
> {org.apache.axiom.om.util.StAXUtils}
> TID: [0] [ES] [2014-07-06 16:50:09,302] DEBUG
> {org.wso2.carbon.user.mgt.permission.ManagementPermissionsAdder} - Adding
> permissions in bundleorg.wso2.carbon.webapp.mgt
> {org.wso2.carbon.user.mgt.permission.ManagementPermissionsAdder}
> TID: [0] [ES] [2014-07-06 16:50:09,302] DEBUG
> {org.apache.axiom.om.util.StAXUtils} - XMLStreamReader is
> org.apache.axiom.util.stax.dialect.SJSXPStreamReaderWrapper
> {org.apache.axiom.om.util.StAXUtils}
> TID: [0] [ES] [2014-07-06 16:50:09,307] DEBUG
> {org.wso2.jaggery.scxml.internal.RealmServiceComponent} - Obtained realm
> service. {org.wso2.jaggery.scxml.internal.RealmServiceComponent}
> TID: [0] [ES] [2014-07-06 16:50:09,311] DEBUG
> {org.wso2.carbon.policy.internal.Activator} - ********* Security secpolicy
> **** {org.wso2.carbon.policy.internal.Activator}
> *TID: [0] [ES] [2014-07-06 16:50:11,974] DEBUG
> {org.wso2.carbon.tomcat.ext.servlet.DelegationServlet} - within the init
> method of DelegationServlet
> {org.wso2.carbon.tomcat.ext.servlet.DelegationServlet}*
> TID: [0] [ES] [2014-07-06 16:50:12,164] DEBUG
> {org.wso2.carbon.core.init.CarbonServerManager} - Starting Carbon
> initialization... {org.wso2.carbon.core.init.CarbonServerManager}
> TID: [0] [ES] [2014-07-06 16:50:12,168] DEBUG
> {org.apache.axiom.om.util.StAXUtils} - XMLStreamReader is
> org.apache.axiom.util.stax.dialect.SJSXPStreamReaderWrapper
> {org.apache.axiom.om.util.StAXUtils}
> .....
>
> ------------------------------- Logs snippet when server randomly hang-up
> ---------------
>
> TID: [0] [ES] [2014-07-06 16:41:40,772] DEBUG
> {org.apache.axiom.om.util.StAXUtils} - XMLStreamReader is
> org.apache.axiom.util.stax.dialect.SJSXPStreamReaderWrapper
> {org.apache.axiom.om.util.StAXUtils}
> TID: [0] [ES] [2014-07-06 16:41:40,775] DEBUG
> {org.wso2.jaggery.scxml.internal.RealmServiceComponent} - Obtained realm
> service. {org.wso2.jaggery.scxml.internal.RealmServiceComponent}
> TID: [0] [ES] [2014-07-06 16:41:40,779] DEBUG
> {org.wso2.carbon.policy.internal.Activator} - ********* Security secpolicy
> **** {org.wso2.carbon.policy.internal.Activator}
> TID: [0] [ES] [2014-07-06 16:42:07,983] DEBUG
> {org.wso2.carbon.caching.impl.CacheCleanupTask} - Cache expiry scheduler
> running... {org.wso2.carbon.caching.impl.CacheCleanupTask}
> TID: [0] [ES] [2014-07-06 16:42:07,984] DEBUG
> {org.wso2.carbon.caching.impl.CacheImpl} - Cache:Claim.Cache,
> entry:Invalidate.Cache.Key, lastAccessed: Sun Jul 06 16:41:39 IST 2014,
> lastModified: Sun Jul 06 16:41:39 IST 2014
> {org.wso2.carbon.caching.impl.CacheImpl}
> TID: [0] [ES] [2014-07-06 16:42:07,985] DEBUG
> {org.wso2.carbon.caching.impl.CacheImpl} - Cache:PERMISSION_CACHE,
> entry:org.wso2.carbon.user.core.authorization.PermissionTreeCacheKey@675471,
> lastAccessed: Sun Jul 06 16:41:40 IST 2014, lastModified: Sun Jul 06
> 16:41:39 IST 2014 {org.wso2.carbon.caching.impl.CacheImpl}
> TID: [0] [ES] [2014-07-06 16:42:07,985] DEBUG
> {org.wso2.carbon.caching.impl.CacheImpl} - Cache:REG_PATH_CACHE,
> entry:org.wso2.carbon.registry.core.caching.RegistryCacheKey@89615645,
> lastAccessed: Sun Jul 06 16:41:40 IST 2014, lastModified: Sun Jul 06
> 16:41:40 IST 2014 {org.wso2.carbon.caching.impl.CacheImpl}
> TID: [0] [ES] [2014-07-06 16:42:07,985] DEBUG
> {org.wso2.carbon.caching.impl.CacheImpl} - Cache:REG_PATH_CACHE,
> entry:org.wso2.carbon.registry.core.caching.RegistryCacheKey@18e25946,
> lastAccessed: Sun Jul 06 16:41:40 IST 2014, lastModified: Sun Jul 06
> 16:41:40 IST 2014 {org.wso2.carbon.caching.impl.CacheImpl}
> ....
>
> Above issue is observed in Carbon 4.3.0.
>
> According to the observations, this severer hang-up is caused when
> *org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.init()
> *is not executed. (i.e org.wso2.carbon.tomcat.ext is not active)
>
> [01] https://wso2.org/jira/browse/STORE-451
>
> --
> *Ayesha Dissanayaka*
> Software Engineer,
> WSO2, Inc : http://wso2.com
> <http://www.google.com/url?q=http%3A%2F%2Fwso2.com&sa=D&sntz=1&usg=AFQjCNEZvyc0uMD1HhBaEGCBxs6e9fBObg>
> 20, Palmgrove Avenue, Colombo 3
> E-Mail: [email protected] <[email protected]>
>
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>
>
--
K.D. Chamil Jeewantha
Associate Technical Lead
WSO2, Inc.; http://wso2.com
Mobile: +94716813892
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