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From Dipu <dipu....@googlemail.com>
Subject Re: Exception while creating workspace created on another cluster node
Date Wed, 01 Apr 2009 13:53:28 GMT
Hi all,

It looks like the problem i am getting now is what mentioned here
https://issues.apache.org/jira/browse/JCR-1558

Is it an issue or is it again some thing configured wrongly in my repository.xml

Thanks & Regards
Dipu

On Thu, Mar 19, 2009 at 12:51 PM, Thomas Müller <thomas.mueller@day.com> wrote:
> Hi,
>
> Most likely the problem is that both cluster nodes point to the same
> file system. I have updated the documentation at
> http://wiki.apache.org/jackrabbit/Clustering
>
> "Clustering in Jackrabbit works as follows: content is shared between
> all cluster nodes. That means all Jackrabbit cluster nodes need access
> to the SAME persistent storage (persistence manager and data store).
> However, each cluster node needs its own (private) FileSystem and
> search index. "
>
> Regards,
> Thomas
>
>
>
> 2009/3/19 Dipu <dipu.wkt@googlemail.com>:
>> Hi Thomas,
>>
>> Thanks for the reply.
>>
>> This is the error message that gets logged, there is no stacktrace
>>
>> 2009-03-19 11:19:19:046 ERROR
>> org.apache.jackrabbit.core.cluster.ClusterNode
>> [ClusterNode-dev_node_hestia] - Unable to create workspace: failed to
>> create workspace configuration at path
>> /configRootPath/brix_ws_59e521c6_676b_4782_9ba9_ef3651e1fb54/workspace.xml:
>> file system entry already exists:
>> /configRootPath/brix_ws_59e521c6_676b_4782_9ba9_ef3651e1fb54
>>
>> createFolder  method in DatabaseFileSystem class is throwing the
>> new FileSystemException("file system entry already exists: " +
>> folderPath); which gets propagated and ClusterNode.process method logs
>> it.
>>
>> this is how the real URL looks
>>
>> <param name="url" value="jdbc:postgresql://something.production.mcom/dbname" />
>>
>> we connect to the DB fine and i don't think there is any problem there.
>>
>> Regards
>> Dipu
>>
>>
>> 2009/3/19 Thomas Müller <thomas.mueller@day.com>:
>>> Hi,
>>>
>>> Could you post the exception message and stack trace please?
>>>
>>> <param name="url" value="jdbc:postgresql://url" />
>>>
>>> Could you also include the real URL?
>>>
>>> Regards,
>>> Thomas
>>>
>>>
>>> On Wed, Mar 18, 2009 at 5:41 PM, Dipu <dipu.wkt@googlemail.com> wrote:
>>>> Hi,
>>>>
>>>> This is how my repository.xml looks, can someone check if there is
>>>> anything wrong
>>>> with my configuration that's resulting in the failure please.
>>>>
>>>> <?xml version="1.0"?>
>>>> <!--
>>>>   Licensed to the Apache Software Foundation (ASF) under one or more
>>>>   contributor license agreements.  See the NOTICE file distributed with
>>>>   this work for additional information regarding copyright ownership.
>>>>   The ASF licenses this file to You under the Apache License, Version 2.0
>>>>   (the "License"); you may not use this file except in compliance with
>>>>   the License.  You may obtain a copy of the License at
>>>>
>>>>       http://www.apache.org/licenses/LICENSE-2.0
>>>>
>>>>   Unless required by applicable law or agreed to in writing, software
>>>>   distributed under the License is distributed on an "AS IS" BASIS,
>>>>   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>>>>   See the License for the specific language governing permissions and
>>>>   limitations under the License.
>>>> -->
>>>> <!DOCTYPE Repository PUBLIC "-//The Apache Software Foundation//DTD
>>>> Jackrabbit 1.5//EN"
>>>>
>>>> "http://jackrabbit.apache.org/dtd/repository-1.5.dtd">
>>>> <!-- Example Repository Configuration File -->
>>>> <Repository>
>>>>    <!--
>>>>        virtual file system where the repository stores global state
>>>>        (e.g. registered namespaces, custom node types, etc.)
>>>>    -->
>>>>    <!--
>>>>    <FileSystem class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>>>        <param name="path" value="${rep.home}/repository"/>
>>>>    </FileSystem>
>>>>    -->
>>>>    <!--
>>>>        Database File System (Cluster Configuration)
>>>>        -->
>>>>
>>>>        <FileSystem class="org.apache.jackrabbit.core.fs.db.DbFileSystem">
>>>>                <param name="driver" value="org.postgresql.Driver"/>
>>>>                <param name="url" value="jdbc:postgresql://url"
/>
>>>>                <param name="user" value="user" />
>>>>                <param name="password" value="pwd" />
>>>>                <param name="schema" value="postgresql"/>
>>>>                <param name="schemaObjectPrefix" value="J_R_FS_"/>
>>>>        </FileSystem>
>>>>
>>>>    <!--
>>>>        security configuration
>>>>    -->
>>>>    <Security appName="Jackrabbit">
>>>>        <!--
>>>>            access manager:
>>>>            class: FQN of class implementing the AccessManager interface
>>>>        -->
>>>>        <AccessManager
>>>> class="org.apache.jackrabbit.core.security.SimpleAccessManager">
>>>>            <!-- <param name="config" value="${rep.home}/access.xml"/>
-->
>>>>        </AccessManager>
>>>>
>>>>        <LoginModule
>>>> class="org.apache.jackrabbit.core.security.SimpleLoginModule">
>>>>           <!-- anonymous user name ('anonymous' is the default value)
-->
>>>>           <param name="anonymousId" value="anonymous"/>
>>>>           <!--
>>>>              default user name to be used instead of the anonymous
user
>>>>              when no login credentials are provided (unset by default)
>>>>           -->
>>>>           <!-- <param name="defaultUserId" value="superuser"/>
-->
>>>>        </LoginModule>
>>>>    </Security>
>>>>
>>>>    <!--
>>>>        location of workspaces root directory and name of default workspace
>>>>    -->
>>>>
>>>>   <Workspaces rootPath="${rep.home}/workspaces"
>>>> defaultWorkspace="default" configRootPath="/configRootPath"/>
>>>>
>>>>    <!--
>>>>        workspace configuration template:
>>>>        used to create the initial workspace if there's no workspace yet
>>>>    -->
>>>>    <Workspace name="${wsp.name}">
>>>>        <!--
>>>>            virtual file system of the workspace:
>>>>            class: FQN of class implementing the FileSystem interface
>>>>        -->
>>>>         <!--
>>>>        <FileSystem class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>>>            <param name="path" value="${wsp.home}"/>
>>>>        </FileSystem>
>>>>        -->
>>>>        <FileSystem class="org.apache.jackrabbit.core.fs.db.DbFileSystem">
>>>>                        <param name="driver" value="org.postgresql.Driver"/>
>>>>                        <param name="url" value="jdbc:postgresql://url"
/>
>>>>                        <param name="user" value="user" />
>>>>                        <param name="password" value="pwd"
/>
>>>>                        <param name="schema" value="postgresql"/>
>>>>                        <param name="schemaObjectPrefix" value="J_FS_${wsp.name}_"/>
>>>>                </FileSystem>
>>>>
>>>>        <!--
>>>>            persistence manager of the workspace:
>>>>            class: FQN of class implementing the PersistenceManager
interface
>>>>        -->
>>>>
>>>>        <!--
>>>>        <PersistenceManager
>>>> class="org.apache.jackrabbit.core.persistence.bundle.DerbyPersistenceManager">
>>>>          <param name="url" value="jdbc:derby:${wsp.home}/db;create=true"/>
>>>>          <param name="schemaObjectPrefix" value="${wsp.name}_"/>
>>>>        </PersistenceManager>
>>>>        -->
>>>>
>>>>         <PersistenceManager
>>>> class="org.apache.jackrabbit.core.persistence.bundle.PostgreSQLPersistenceManager">
>>>>                <param name="url" value="jdbc:postgresql://url"/>
>>>>                <param name="user" value="user"/>
>>>>                <param name="password" value="pwd"/>
>>>>                <param name="schemaObjectPrefix" value="J_PM_${wsp.name}_"/>
>>>>                <param name="externalBLOBs" value="false"/>
>>>>        </PersistenceManager>
>>>>
>>>>        <!--
>>>>            Search index and the file system it uses.
>>>>            class: FQN of class implementing the QueryHandler interface
>>>>        -->
>>>>        <SearchIndex
>>>> class="org.apache.jackrabbit.core.query.lucene.SearchIndex">
>>>>            <param name="path" value="${wsp.home}/index"/>
>>>>            <param name="textFilterClasses"
>>>> value="org.apache.jackrabbit.extractor.MsWordTextExtractor,org.apache.jackrabbit.extractor.MsExcelTextExtractor,org.apache.jackrabbit.extractor.MsPowerPointTextExtractor,org.apache.jackrabbit.extractor.PdfTextExtractor,org.apache.jackrabbit.extractor.OpenOfficeTextExtractor,org.apache.jackrabbit.extractor.RTFTextExtractor,brix.jcr.jackrabbit.HtmlTextExtractor,org.apache.jackrabbit.extractor.XMLTextExtractor"/>
>>>>            <param name="extractorPoolSize " value="2"/>
>>>>            <param name="supportHighlighting" value="true"/>
>>>>        </SearchIndex>
>>>>
>>>>        <ISMLocking
>>>> class="org.apache.jackrabbit.core.state.FineGrainedISMLocking"></ISMLocking>
>>>>
>>>>    </Workspace>
>>>>
>>>>    <!--
>>>>        Configures the versioning
>>>>    -->
>>>>    <Versioning rootPath="${rep.home}/version">
>>>>        <!--
>>>>            Configures the filesystem to use for versioning for the
respective
>>>>            persistence manager
>>>>        -->
>>>>        <!--
>>>>        <FileSystem class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>>>            <param name="path" value="${rep.home}/version" />
>>>>        </FileSystem>
>>>>         -->
>>>>         <!--
>>>>                Database File System and Persistence (Cluster Configuration)
>>>>                -->
>>>>
>>>>                <FileSystem class="org.apache.jackrabbit.core.fs.db.DbFileSystem">
>>>>                        <param name="driver" value="org.postgresql.Driver"/>
>>>>                        <param name="url" value="jdbc:postgresql://url"
/>
>>>>                        <param name="user" value="user" />
>>>>                        <param name="password" value="pwd"
/>
>>>>                        <param name="schema" value="postgresql"/>
>>>>                        <param name="schemaObjectPrefix" value="J_V_FS_"/>
>>>>                </FileSystem>
>>>>
>>>>        <!--
>>>>            Configures the persistence manager to be used for
>>>> persisting version state.
>>>>            Please note that the current versioning implementation is
based on
>>>>            a 'normal' persistence manager, but this could change in
future
>>>>            implementations.
>>>>        -->
>>>>        <!--
>>>>        <PersistenceManager
>>>> class="org.apache.jackrabbit.core.persistence.bundle.DerbyPersistenceManager">
>>>>          <param name="url"
>>>> value="jdbc:derby:${rep.home}/version/db;create=true"/>
>>>>          <param name="schemaObjectPrefix" value="version_"/>
>>>>        </PersistenceManager>
>>>>         -->
>>>>         <PersistenceManager
>>>> class="org.apache.jackrabbit.core.persistence.bundle.PostgreSQLPersistenceManager">
>>>>                <param name="url" value="dbc:postgresql://url"/>
>>>>                <param name="user" value="user"/>
>>>>                <param name="password" value="pwd"/>
>>>>                <param name="schemaObjectPrefix" value="J_V_PM_"/>
>>>>                <param name="externalBLOBs" value="false"/>
>>>>        </PersistenceManager>
>>>>
>>>>        <ISMLocking
>>>> class="org.apache.jackrabbit.core.state.FineGrainedISMLocking"></ISMLocking>
>>>>
>>>>    </Versioning>
>>>>
>>>>    <!--
>>>>        Search index for content that is shared repository wide
>>>>        (/jcr:system tree, contains mainly versions)
>>>>    -->
>>>>    <SearchIndex class="org.apache.jackrabbit.core.query.lucene.SearchIndex">
>>>>        <param name="path" value="${rep.home}/repository/index"/>
>>>>        <param name="textFilterClasses"
>>>> value="org.apache.jackrabbit.extractor.MsWordTextExtractor,org.apache.jackrabbit.extractor.MsExcelTextExtractor,org.apache.jackrabbit.extractor.MsPowerPointTextExtractor,org.apache.jackrabbit.extractor.PdfTextExtractor,org.apache.jackrabbit.extractor.OpenOfficeTextExtractor,org.apache.jackrabbit.extractor.RTFTextExtractor,brix.jcr.jackrabbit.HtmlTextExtractor,org.apache.jackrabbit.extractor.XMLTextExtractor"/>
>>>>        <param name="extractorPoolSize " value="2"/>
>>>>        <param name="supportHighlighting" value="true"/>
>>>>    </SearchIndex>
>>>>
>>>>
>>>>   <!--
>>>>        Cluster Configuration
>>>>        -->
>>>>
>>>>        <Cluster id="dev_node_hestia" syncDelay="5">
>>>>                <Journal class="org.apache.jackrabbit.core.journal.DatabaseJournal">
>>>>                        <param name="revision" value="${rep.home}/revision"/>
>>>>                        <param name="driver" value="org.postgresql.Driver"/>
>>>>                        <param name="url" value="jdbc:postgresql://url"
/>
>>>>                        <param name="user" value="user" />
>>>>                        <param name="password" value="pwd"
/>
>>>>                        <param name="schema" value="postgresql"/>
>>>>                        <param name="schemaObjectPrefix" value="J_C_"/>
>>>>                </Journal>
>>>>    </Cluster>
>>>>
>>>>
>>>>        <DataStore class="org.apache.jackrabbit.core.data.db.DbDataStore">
>>>>                <param name="url" value="jdbc:postgresql://url"
/>
>>>>                <param name="user" value="user" />
>>>>                <param name="password" value="pwd" />
>>>>                <param name="databaseType" value="postgresql" />
>>>>                <param name="driver" value="org.postgresql.Driver"
/>
>>>>                <param name="minRecordLength" value="1024" />
>>>>                <param name="maxConnections" value="3" />
>>>>                <param name="copyWhenReading" value="true" />
>>>>        </DataStore>
>>>>
>>>>
>>>> </Repository>
>>>>
>>>>
>>>> Thanks
>>>> Dipu
>>>>
>>>
>>
>

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