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Posts Tagged ‘Tangosol’

PostHeaderIcon com.tangosol.io.lh.LHIOException:… Primary file, Reading, Group XXX, Frame YYY: End of file reached

Case

Migrating a cache from EhCache to Tangosol / Oracle Coherence, I got the following error when the cache started to be filled:

com.tangosol.io.lh.LHIOException:C:\DOCUME~1\JonathanLalou\LOCALS~1\Temp\jonathanLalouCache.store, Primary file, Reading, Group 880, Frame 880: End of file reached

Quick Fix

I could not fix the issue itself. The documentation is not abundant on the subject. I never enjoyed working on closed source libraries. Anyway, a quick fix consists in replacing the LH store with a Berkeley DB store, ie replacing:

<lh-file-manager><file-name>{cache-name}.store</file-name></lh-file-manager>

with some kind of:

<bdb-store-manager></bdb-store-manager>

PostHeaderIcon Useful DTD

DTDs are useful when your XML editor take them in account: detecting errors, suggestions, complete statements… For instance, I save much time with IntelliJ IDEA automatic completion ; unlike, Eclipse amazingly does not implement this feature.

Here is a list of some widely used DTDs:

File DTD
weblogic-application.xml
<!DOCTYPE weblogic-application PUBLIC "-//BEA Systems, Inc.//DTD WebLogic Application 7.0.0//EN" "http://www.oracle.com/technology/weblogic/weblogic-application/1.1/weblogic-application.xsd">
weblogic-application.xml
<!DOCTYPE weblogic-application PUBLIC "-//BEA Systems, Inc.//DTD WebLogic Application 7.0.0//EN" "http://www.oracle.com/technology/weblogic/weblogic-application/1.1/weblogic-application.xsd">
web.xml
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
*.hbm.xml
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
GWT modules
<!DOCTYPE module SYSTEM "http://google-web-toolkit.googlecode.com/svn/trunk/distro-source/core/src/gwt-module.dtd">
GWT UI
<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
Tangosol / Oracle Coherence
<!DOCTYPE coherence SYSTEM "coherence.dtd">
Log4J
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

Tangosol and Log4J DTDs are included within their distribution JARs: you have to extract them or to give their path to IntelliJ IDEA.

PostHeaderIcon Failed to start Service “Cluster” (ServiceState=SERVICE_STOPPED, STATE_ANNOUNCE)

Case

I introduced an Oracle Coherence cache withing my application, which is deployed as a WAR within WebLogic  Server. In a first step, I used an instance of Oracle Coherence / Coherence Web already built in WebLogic. Then, for a couple a reasons, I detroyed the Coherence cluster. Deploying the application, the following error appeared:

java.lang.RuntimeException: Failed to start Service "Cluster" (ServiceState=SERVICE_STOPPED, STATE_ANNOUNCE)

Complete Stacktrace

java.lang.RuntimeException: Failed to start Service "Cluster" (ServiceState=SERVICE_STOPPED, STATE_ANNOUNCE)
at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.start(Service.CDB:38)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.start(Grid.CDB:38)
at com.tangosol.coherence.component.net.Cluster.onStart(Cluster.CDB:366)
at com.tangosol.coherence.component.net.Cluster.start(Cluster.CDB:11)
at com.tangosol.coherence.component.util.SafeCluster.startCluster(SafeCluster.CDB:3)

Explanation and Fix

The Coherence cluster view available in WebLogic server is a view of the Tangosol configuration, available in the files tangosol-coherence*.xml of Coherence’s JAR. To fix the issue, create a file tangosol-coherence-override.xml, in your classpath. Fill the file with a minimum content, such as:

<?xml version='1.0'?>
<!DOCTYPE coherence SYSTEM "coherence.dtd">
<coherence>
    <cluster-config>
        <multicast-listener>
            <time-to-live system-property="tangosol.coherence.ttl">0</time-to-live>
            <join-timeout-milliseconds>3000</join-timeout-milliseconds>
        </multicast-listener>
        <unicast-listener>
            <address>127.0.0.1</address>
            <port>8088</port>
            <port-auto-adjust>true</port-auto-adjust>
            <priority>8</priority>
        </unicast-listener>
        <packet-publisher>
            <packet-delivery>
                <timeout-milliseconds>30000</timeout-milliseconds>
            </packet-delivery>
        </packet-publisher>
        <service-guardian>
            <timeout-milliseconds system-property="tangosol.coherence.guard.timeout">35000</timeout-milliseconds>
        </service-guardian>
    </cluster-config>
    <logging-config>
        <severity-level system-property="tangosol.coherence.log.level">5</severity-level>
        <character-limit system-property="tangosol.coherence.log.limit">0</character-limit>
    </logging-config>
</coherence>

Of course, you can amend and improve the file to match your requirements.
NB: in case your file is ignored by Coherence, override the property tangosol.coherence.override with value tangosol-coherence-override.xml.

PostHeaderIcon java.io.NotSerializableException: org.apache.log4j.Logger

Case

I use Oracle Coherence (Tangosol) as distributed cache for a given class. This class contains a non-static Log4J’s Logger as field.
(what a Logger does in an “POJO” is not obvious and requires further development ; let’s say it is used during the development phase, but has nothing to do in a POJO and should be removed later).
When Tangosol tries to put the object in cache, I get this error:

java.io.NotSerializableException: org.apache.log4j.Logger

Complete stacktrace

java.io.NotSerializableException: org.apache.log4j.Logger
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
        at com.tangosol.util.ExternalizableHelper.writeSerializable(ExternalizableHelper.java:2181)
        at com.tangosol.util.ExternalizableHelper.writeObjectInternal(ExternalizableHelper.java:2603)
        at com.tangosol.util.ExternalizableHelper.serializeInternal(ExternalizableHelper.java:2529)
        at com.tangosol.util.ExternalizableHelper.toBinary(ExternalizableHelper.java:206)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$ConverterValueToBinary.convert(DistributedCache.CDB:3)
        at com.tangosol.util.ConverterCollections$ConverterMap.put(ConverterCollections.java:1566)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$ViewMap.put(DistributedCache.CDB:1)
        at com.tangosol.coherence.component.util.SafeNamedCache.put(SafeNamedCache.CDB:1)
        at com.lalou.jonathan.business.cache.TypedEhCache.put(TypedEhCache.java:73)
        at com.lalou.jonathan.business.cache.TypedEhCache.setInCache(TypedEhCache.java:58)
        at com.lalou.jonathan.business.StringToRequestListTransformer.transform(JonathanTransformer.java:104)
        at org.mule.transformer.AbstractMessageAwareTransformer.doTransform(AbstractMessageAwareTransformer.java:68)
        at org.mule.transformer.AbstractTransformer.transform(AbstractTransformer.java:254)
        at org.mule.DefaultMuleMessage.applyAllTransformers(DefaultMuleMessage.java:621)
        at org.mule.DefaultMuleMessage.applyTransformers(DefaultMuleMessage.java:582)
        at org.mule.DefaultMuleMessage.applyTransformers(DefaultMuleMessage.java:575)
        at org.mule.DefaultMuleEvent.transformMessage(DefaultMuleEvent.java:326)
        at org.mule.DefaultMuleEvent.transformMessage(DefaultMuleEvent.java:321)
        at org.mule.component.simple.PassThroughComponent.doInvoke(PassThroughComponent.java:27)
        at org.mule.component.AbstractComponent.invokeInternal(AbstractComponent.java:133)
        at org.mule.component.AbstractComponent.invoke(AbstractComponent.java:161)
        at org.mule.service.AbstractService.invokeComponent(AbstractService.java:929)
        at org.mule.model.seda.SedaService.access$100(SedaService.java:56)
        at org.mule.model.seda.SedaService$ComponentStageWorker.run(SedaService.java:574)
        at org.mule.work.WorkerContext.run(WorkerContext.java:310)
        at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1061)
        at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
        at java.lang.Thread.run(Thread.java:619)

Fix

Declare the Logger as static:

private final Logger LOG = Logger.getLogger(CsvFileObject.class);

In my case, the issue was fixed. If it is not, try to declare the Logger as static transient, I assume it could help.

PostHeaderIcon java.lang.NoClassDefFoundError: com/tangosol/run/component/EventDeathException

Case

You have an application which uses Oracle Coherence / Coherence*Web as cache manager. On redeploying the application, you get a stacktrace of which header is:

Exception in thread 'DistributedCache|SERVICE_STOPPED' java.lang.NoClassDefFoundError: com/tangosol/run/component/EventDeathException

Explanation

Indeed, an undeploy operation stops the services of your application. But Coherence is not launched as a service among the others: it should be considered as an independant one. Therefore, you have to stop it before undeploying your application ; otherwise, your classloader is in a confused state, and loses references to classes it had loaded before, but that should now be unloaded.

Fix

You have to stop Oracle Coherence on your application shutdown.

EAR

If your application is packaged as an EAR, then create a shutdown class with the following main():

public class JonathanLalouEARShutdown extends ApplicationLifecycleListener {
   public static void main(String[] args) {
   CacheFactory.shutdown();
   }
}

Add the following block in your weblogic-application.xml, hinting the shutdown class:

<shutdown>
    <shutdown-class>lalou.jonathan.weblogic.JonathanLalouEARShutdown </shutdown-class>
</shutdown>

WAR

If your application is packaged as a WAR, then create a class implementing ServletContextListener, and add the following block in your web.xml:

<listener>
    <listener-class>your.class.implementing.ServletContextListener</listener-class>
</listener>

The detailed procedure is described at this link: WebLogic: use a startup and/or a shutdown class in a WAR