Daniel Persson created OPENJPA-2191:
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Summary: QueryCache don't allow for misconfigurations
Key: OPENJPA-2191
URL: https://issues.apache.org/jira/browse/OPENJPA-2191
Project: OpenJPA
Issue Type: Bug
Reporter: Daniel Persson
Priority: Trivial
Throws exception when initializing QueryCache and no classes are specified.
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
<?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="password"/>
<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>
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