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POCould not initialize proxy - No Session again
 

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    <p>I get these error log when viewing a page</p> <pre> ERROR [TP-Processor11] (LazyInitializationException.java:42) - could not initialize proxy - no Session org.hibernate.LazyInitializationException: could not initialize proxy - no Session at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:132) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:174) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190) at org.osmoz.contents.model.enm.ContentType_$$_javassist_71.getDefaultShortMode(ContentType_$$_javassist_71.java) at org.osmoz.contents.web.tapestry.components.EnmContentZone.getTemplate(EnmContentZone.java:67) at org.osmoz.contents.web.tapestry.base.AbstractRawContentZone.getContent(AbstractRawContentZone.java:67) at $PropertyConduit_1276091af82.get($PropertyConduit_1276091af82.java) at org.apache.tapestry5.internal.bindings.PropBinding.get(PropBinding.java:58) at org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl$1.read(InternalComponentResourcesImpl.java:510) at org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl$1.read(InternalComponentResourcesImpl.java:496) at org.apache.tapestry5.corelib.components.OutputRaw._$read_parameter_value(OutputRaw.java) at org.apache.tapestry5.corelib.components.OutputRaw.beginRender(OutputRaw.java:43) at org.apache.tapestry5.corelib.components.OutputRaw.beginRender(OutputRaw.java) at </pre> <p>I know the problem is Session has been closed. But I really don't know why this error occur not so often that why I don't know the root cause is.</p> <p><strong>Enviroment:</strong> </p> <p>Tapestry5, JPA, Hibernate 3.3.2.GA</p> <p>I've set</p> <pre><code>&lt;filter-class&gt;org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter&lt;/filter-class&gt; </code></pre> <p>in web.xml also</p>
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    1. USsblundy
    1. USIapilgrim
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    1. COgive all the relevant parts of web.xml, not only this line.
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      1. USBozho
    2. COThe case is so simple. We want to get a "lazy" field and display it in view. In this case we have object ContentType and field "defaultShortMode". Since we call lazy in view, we open another session by using OpenEntityManagerInViewFilter. The main problem is: This bug occurs sometimes. Sometime it runs smoothly. I guess other factors involved such as Tapestry thread?, using transaction? using Hibernate Level 2 Cache? It would help someone points out what could be wrong here. Thanks.
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      1. USIapilgrim
    3. CODid you see this - http://stackoverflow.com/questions/345705/hibernate-lazyinitializationexception-could-not-initialize-proxy
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      1. USPadmarag
 

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