openjpa-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Daniel Persson <mailto.wo...@gmail.com>
Subject Re: QueryCache don't allow for misconfigurations
Date Fri, 11 May 2012 18:17:27 GMT
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="test" transaction-type="RESOURCE_LOCAL">
    <properties>
        <property name="openjpa.ConnectionURL"
value="jdbc:mysql://localhost:3306/test"/>
        <property name="openjpa.ConnectionUserName" value="root"/>
        <property name="openjpa.ConnectionPassword" value="hack123"/>
        <property name="openjpa.ConnectionDriverName"
value="com.mysql.jdbc.Driver"/>
        <property name="openjpa.Log" value="DefaultLevel=INFO,
Runtime=INFO, Tool=INFO, SQL=INFO"/>
        <property name="openjpa.ConnectionFactoryProperties"
value="MaxActive=10,MaxIdle=5,MinIdle=2,MaxWait=1800000"/>
        <property name="openjpa.jdbc.DBDictionary"
value="org.apache.openjpa.jdbc.sql.MySQLDictionary"/>
<property name="openjpa.jdbc.SynchronizeMappings"
value="buildSchema(ForeignKeys=true)"/>
        <property name="openjpa.DataCache" value="true(CacheSize=1000,
SoftReferenceSize=0)"/>
        <property name="openjpa.QueryCache" value="true(CacheSize=1000,
SoftReferenceSize=0, EvictPolicy='timestamp')"/>
         <property name="openjpa.DetachState"
value="fetch-groups(DetachedStateField=true)"/>
        <property name="openjpa.jdbc.UpdateManager"
value="operation-order"/>
    </properties>
</persistence-unit>
</persistence>

On Fri, May 11, 2012 at 2:15 PM, Rick Curtis <curtisr7@gmail.com> wrote:

> Please post the persistence.xml file you were that led to this exception.
>
> Thanks, Rick
> On May 11, 2012 2:15 AM, "Daniel Persson" <mailto.woden@gmail.com> wrote:
>
> > Hi.
> >
> > Might have found a "bug".
> >
> > This could be replicated with a malformed persistence.xml. You have to
> > create a configuration without any classes specified then the QueryCache
> > will throw a null pointer exception.
> >
> > 104  test  INFO   [main] openjpa.Enhance - You have enabled runtime
> > enhancement, but have not specified the set of persistent classes.
>  OpenJPA
> > must look for metadata for every loaded class, which might increase class
> > load times significantly.
> > SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
> > SLF4J: Defaulting to no-operation (NOP) logger implementation
> > SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for
> further
> > details.
> > 212  test  INFO   [main] openjpa.Runtime - OpenJPA dynamically loaded a
> > validation provider.
> > 292  test  INFO   [main] openjpa.Runtime - Starting OpenJPA 2.2.0
> > 410  test  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class
> > "org.apache.openjpa.jdbc.sql.MySQLDictionary".
> > Exception in thread "main" <openjpa-2.2.0-r422266:1244990 nonfatal
> general
> > error> org.apache.openjpa.persistence.PersistenceException: null
> > at
> >
> >
> org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:218)
> > at
> >
> >
> org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
> > at
> >
> >
> org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
> > at
> >
> >
> org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
> > at
> >
> >
> org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
> > at org.ea.test.TestAdd.main(TestAdd.java:20)
> > Caused by: java.lang.NullPointerException
> > at
> >
> >
> org.apache.openjpa.datacache.AbstractQueryCache.initialize(AbstractQueryCache.java:112)
> > at
> >
> >
> org.apache.openjpa.datacache.ConcurrentQueryCache.initialize(ConcurrentQueryCache.java:95)
> > at
> >
> >
> org.apache.openjpa.datacache.DataCacheManagerImpl.initialize(DataCacheManagerImpl.java:64)
> > at
> >
> >
> org.apache.openjpa.conf.OpenJPAConfigurationImpl.getDataCacheManagerInstance(OpenJPAConfigurationImpl.java:725)
> > at
> >
> >
> org.apache.openjpa.kernel.AbstractBrokerFactory.createDelegatingStoreManager(AbstractBrokerFactory.java:843)
> > at
> >
> >
> org.apache.openjpa.kernel.AbstractBrokerFactory.initializeBroker(AbstractBrokerFactory.java:226)
> > at
> >
> >
> org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:212)
> > ... 5 more
> >
> >
> > Best regards
> >
> > Daniel
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message