Hi Senaka,

Fetching the path from UUID happens using an executeQuery() operation. Can
it have any impact on this?

Adding the UUID is done using the queries we had. I basically add a new
column there.

Thanks,
Janaka

On Fri, Jul 13, 2012 at 7:25 PM, Senaka Fernando <[email protected]> wrote:

> Hi Janaka,
>
> Does this have any connection with the way in which UUID setting/fetching
> happens. Because that's something that happens when adding a WSDL. Also,
> doesn't this get reproduced on G-Reg? Why only on AM?
>
> Thanks,
> Senaka.
>
>
> On Fri, Jul 13, 2012 at 9:47 AM, Sumedha Rubasinghe <[email protected]>wrote:
>
>> G-Reg team,
>> Can we check the table access order again?
>> The problem is only appearing when adding a WSDL. So I suspect the logic
>> in WSDL media type handler.
>>
>>
>>
>> On Fri, Jul 13, 2012 at 7:08 PM, Charitha Kankanamge 
>> <[email protected]>wrote:
>>
>>>  This is very simple to reproduce and an absolute blocker in standalone
>>> H2 based deployment because if API provider mistakenly give inaccessible or
>>> wrong WSDL url, whole registry becomes unusable.
>>>
>>> 1. In API manager, login to API publisher app
>>> 2. Add a new API with a WSDL and make sure to specify a wsdl which is
>>> not accessible
>>> 3. Submit the form, you will get an error
>>> 4. Now, correct the WSDL url and resubmit.
>>>
>>> Registry will be dead locked. After this, you will not be able to do any
>>> registry related task.
>>>
>>> TID: [-1234] [WSO2 API Manager] [2012-07-13 18:48:34,054] ERROR
>>> {org.wso2.carbon.governance.api.util.GovernanceUtils} -  Error in getting
>>> the result for media type: application/vnd.wso2.registry-ext-type+xml.
>>> {org.wso2.carbon.governance.api.util.GovernanceUtils}
>>> org.wso2.carbon.registry.core.exceptions.RegistryException: Timeout
>>> trying to lock table "REG_RESOURCE"; SQL statement:
>>> SELECT DISTINCT REG_PATH_ID, REG_NAME FROM REG_RESOURCE WHERE
>>> (REG_RESOURCE.REG_TENANT_ID=?) AND  REG_MEDIA_TYPE=? [50200-140]
>>>  at
>>> org.wso2.carbon.registry.core.jdbc.dataaccess.SQLQueryProcessor.executeQuery(SQLQueryProcessor.java:240)
>>> at
>>> org.wso2.carbon.registry.core.jdbc.queries.QueryProcessorManager.executeQuery(QueryProcessorManager.java:137)
>>>  at
>>> org.wso2.carbon.registry.core.jdbc.EmbeddedRegistry.executeQuery(EmbeddedRegistry.java:2271)
>>> at
>>> org.wso2.carbon.registry.core.caching.CacheBackedRegistry.executeQuery(CacheBackedRegistry.java:305)
>>>  at
>>> org.wso2.carbon.registry.core.session.UserRegistry.executeQuery(UserRegistry.java:1246)
>>> at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.getResultPaths(GovernanceUtils.java:171)
>>>  at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifacts(GovernanceUtils.java:114)
>>> at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifactConfigurations(GovernanceUtils.java:383)
>>>  at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifactConfiguration(GovernanceUtils.java:144)
>>> at
>>> org.wso2.carbon.governance.api.generic.GenericArtifactManager.<init>(GenericArtifactManager.java:83)
>>>  at
>>> org.wso2.carbon.apimgt.impl.AbstractAPIManager.isContextExist(AbstractAPIManager.java:260)
>>> at
>>> org.wso2.carbon.apimgt.hostobjects.APIProviderHostObject.jsFunction_isContextExist(APIProviderHostObject.java:1213)
>>>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>  at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>  at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:160)
>>> at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:411)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>> at
>>> org.wso2.carbon.rhino.modules.api.c3._c2(/publisher/modules/api/add.jag:31)
>>>  at
>>> org.wso2.carbon.rhino.modules.api.c3.call(/publisher/modules/api/add.jag)
>>> at
>>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2347)
>>>  at
>>> org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:272)
>>> at
>>> org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>> at
>>> org.wso2.carbon.rhino.modules.api.c0._c3(/publisher/modules/api/module.jag:12)
>>>  at
>>> org.wso2.carbon.rhino.modules.api.c0.call(/publisher/modules/api/module.jag)
>>> at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0._c1(/publisher/site/blocks/item-add/ajax/add.jag:73)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call0(OptRuntime.java:57)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0._c0(/publisher/site/blocks/item-add/ajax/add.jag:4)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>> at
>>> org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:401)
>>>  at
>>> org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3003)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.exec(/publisher/site/blocks/item-add/ajax/add.jag)
>>> at
>>> org.jaggeryjs.scriptengine.engine.RhinoEngine.execScript(RhinoEngine.java:443)
>>>  at
>>> org.jaggeryjs.scriptengine.engine.RhinoEngine.exec(RhinoEngine.java:202)
>>> at
>>> org.jaggeryjs.jaggery.core.manager.WebAppManager.execute(WebAppManager.java:223)
>>>  at
>>> org.jaggeryjs.jaggery.core.JaggeryServlet.doPost(JaggeryServlet.java:51)
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
>>>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>  at
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> at
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
>>>  at
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>> at
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>>>  at
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
>>> at
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
>>>  at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:133)
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>>>  at
>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:49)
>>>  at
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>> at
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>>  at
>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
>>> at
>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
>>>  at
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>>  at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>> at java.lang.Thread.run(Thread.java:662)
>>> TID: [-1234] [WSO2 API Manager] [2012-07-13 18:48:34,074] ERROR
>>> {org.wso2.carbon.apimgt.impl.UserAwareAPIProvider} -  Failed to check
>>> context availability : /aaa
>>> {org.wso2.carbon.apimgt.impl.UserAwareAPIProvider}
>>> org.wso2.carbon.governance.api.exception.GovernanceException: Unable to
>>> obtain governance artifact configuration
>>> at
>>> org.wso2.carbon.governance.api.generic.GenericArtifactManager.<init>(GenericArtifactManager.java:93)
>>>  at
>>> org.wso2.carbon.apimgt.impl.AbstractAPIManager.isContextExist(AbstractAPIManager.java:260)
>>> at
>>> org.wso2.carbon.apimgt.hostobjects.APIProviderHostObject.jsFunction_isContextExist(APIProviderHostObject.java:1213)
>>>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>  at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>  at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:160)
>>> at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:411)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>> at
>>> org.wso2.carbon.rhino.modules.api.c3._c2(/publisher/modules/api/add.jag:31)
>>>  at
>>> org.wso2.carbon.rhino.modules.api.c3.call(/publisher/modules/api/add.jag)
>>> at
>>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2347)
>>>  at
>>> org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:272)
>>> at
>>> org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>> at
>>> org.wso2.carbon.rhino.modules.api.c0._c3(/publisher/modules/api/module.jag:12)
>>>  at
>>> org.wso2.carbon.rhino.modules.api.c0.call(/publisher/modules/api/module.jag)
>>> at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0._c1(/publisher/site/blocks/item-add/ajax/add.jag:73)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>>  at
>>> org.mozilla.javascript.optimizer.OptRuntime.call0(OptRuntime.java:57)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0._c0(/publisher/site/blocks/item-add/ajax/add.jag:4)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>> at
>>> org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:401)
>>>  at
>>> org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3003)
>>> at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.call(/publisher/site/blocks/item-add/ajax/add.jag)
>>>  at
>>> org.wso2.carbon.rhino.site.blocks.item_add.ajax.c0.exec(/publisher/site/blocks/item-add/ajax/add.jag)
>>> at
>>> org.jaggeryjs.scriptengine.engine.RhinoEngine.execScript(RhinoEngine.java:443)
>>>  at
>>> org.jaggeryjs.scriptengine.engine.RhinoEngine.exec(RhinoEngine.java:202)
>>> at
>>> org.jaggeryjs.jaggery.core.manager.WebAppManager.execute(WebAppManager.java:223)
>>>  at
>>> org.jaggeryjs.jaggery.core.JaggeryServlet.doPost(JaggeryServlet.java:51)
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
>>>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>  at
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> at
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
>>>  at
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>> at
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>>>  at
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
>>> at
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
>>>  at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:133)
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>>>  at
>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:49)
>>>  at
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>> at
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>>  at
>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
>>> at
>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
>>>  at
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>>  at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>> at java.lang.Thread.run(Thread.java:662)
>>> Caused by: org.wso2.carbon.governance.api.exception.GovernanceException:
>>> Error in getting the result for media type:
>>> application/vnd.wso2.registry-ext-type+xml.
>>> at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.getResultPaths(GovernanceUtils.java:175)
>>>  at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifacts(GovernanceUtils.java:114)
>>> at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifactConfigurations(GovernanceUtils.java:383)
>>>  at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.findGovernanceArtifactConfiguration(GovernanceUtils.java:144)
>>> at
>>> org.wso2.carbon.governance.api.generic.GenericArtifactManager.<init>(GenericArtifactManager.java:83)
>>>  ... 52 more
>>> Caused by: org.wso2.carbon.registry.core.exceptions.RegistryException:
>>> Timeout trying to lock table "REG_RESOURCE"; SQL statement:
>>> SELECT DISTINCT REG_PATH_ID, REG_NAME FROM REG_RESOURCE WHERE
>>> (REG_RESOURCE.REG_TENANT_ID=?) AND  REG_MEDIA_TYPE=? [50200-140]
>>> at
>>> org.wso2.carbon.registry.core.jdbc.dataaccess.SQLQueryProcessor.executeQuery(SQLQueryProcessor.java:240)
>>>  at
>>> org.wso2.carbon.registry.core.jdbc.queries.QueryProcessorManager.executeQuery(QueryProcessorManager.java:137)
>>> at
>>> org.wso2.carbon.registry.core.jdbc.EmbeddedRegistry.executeQuery(EmbeddedRegistry.java:2271)
>>>  at
>>> org.wso2.carbon.registry.core.caching.CacheBackedRegistry.executeQuery(CacheBackedRegistry.java:305)
>>> at
>>> org.wso2.carbon.registry.core.session.UserRegistry.executeQuery(UserRegistry.java:1246)
>>>  at
>>> org.wso2.carbon.governance.api.util.GovernanceUtils.getResultPaths(GovernanceUtils.java:171)
>>> ... 56 more
>>>
>>>
>>> Apparently, this seems to be a known issue and reported multiple
>>> times(e.g:  https://wso2.org/jira/browse/CARBON-11409), the suggested
>>> workaround is to use mysql. However, in API manager scenario, the error is
>>> very prominent.
>>>
>>>
>>> _______________________________________________
>>> Dev mailing list
>>> [email protected]
>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>
>>>
>>
>>
>> --
>> /sumedha
>> +94 773017743
>>
>
>
>
> --
> *Senaka Fernando*
> Member - Integration Technologies Management Committee;
> Technical Lead; WSO2 Inc.; http://wso2.com*
> Member; Apache Software Foundation; http://apache.org
>
> E-mail: senaka AT wso2.com
> **P: +1 408 754 7388; ext: 51736*; *M: +94 77 322 1818
> Linked-In: http://linkedin.com/in/senakafernando
>
> *Lean . Enterprise . Middleware
>
>


-- 
Janaka Ranabahu
Software Engineer
WSO2 Inc.

Mobile +94 718370861
Email : [email protected]
Blog : janakaranabahu.blogspot.com
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