SebastianWagner created OPENMEETINGS-445:
--------------------------------------------

             Summary: Backup Export does not work at all
                 Key: OPENMEETINGS-445
                 URL: https://issues.apache.org/jira/browse/OPENMEETINGS-445
             Project: Openmeetings
          Issue Type: Bug
    Affects Versions: 2.1 Apache Incubator Release, 3.0 Apache Release
            Reporter: SebastianWagner
             Fix For: 2.1 Apache Incubator Release, 3.0 Apache Release


Following exceptions:

DEBUG 10-14 14:27:41.958 BackupExport.java 338138 440 
org.apache.openmeetings.servlet.outputhandler.BackupExport [http-0.0.0.0-5080-1]
- Exception While writing node of type: class 
org.apache.openmeetings.persistence.beans.user.Users
org.simpleframework.xml.core.ElementException: Value for 
@org.simpleframework.xml.Element(name=pass, data=true, type=void, required=tru
e) on field 'password' private java.lang.String 
org.apache.openmeetings.persistence.beans.user.Users.password is null in class 
org.apac
he.openmeetings.persistence.beans.user.Users
        at 
org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1122) 
~[simple-xml-jar-2.6.6.jar:na]
        at 
org.simpleframework.xml.core.Composite.writeElements(Composite.java:1098) 
~[simple-xml-jar-2.6.6.jar:na]
        at 
org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Composite.write(Composite.java:975) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Composite.write(Composite.java:952) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Traverser.write(Traverser.java:236) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Traverser.write(Traverser.java:208) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Traverser.write(Traverser.java:186) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Persister.write(Persister.java:1180) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Persister.write(Persister.java:1162) 
~[simple-xml-jar-2.6.6.jar:na]
        at org.simpleframework.xml.core.Persister.write(Persister.java:1140) 
~[simple-xml-jar-2.6.6.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.writeList(BackupExport.java:438)
 [openmeetings-2.1.0-SNAPSHOT.jar
:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.exportUsers(BackupExport.java:464)
 [openmeetings-2.1.0-SNAPSHOT.j
ar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.exportUsers(BackupExport.java:450)
 [openmeetings-2.1.0-SNAPSHOT.j
ar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.performExport(BackupExport.java:171)
 [openmeetings-2.1.0-SNAPSHOT
.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.service(BackupExport.java:519)
 [openmeetings-2.1.0-SNAPSHOT.jar:n
a]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExportFacade.service(BackupExportFacade.java:89)
 [openmeetings-2.1.0-SNA
PSHOT.jar:na]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
[javaee-api-5.1.2.om.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.openmeetings.servlet.outputhandler.ServletRequestExFilter.doFilter(ServletRequestExFilter.java:49)
 [openmeetings-
2.1.0-SNAPSHOT.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:77) 
[red5.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:554) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 [tomcat-coyote-6.0.32.jar:6
.0.32]
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at java.lang.Thread.run(Thread.java:619) [na:1.6.0_20]
DEBUG 10-14 14:27:42.214 LdapConfigDaoImpl.java 338394 266 
org.apache.openmeetings.data.basic.dao.LdapConfigDaoImpl [http-0.0.0.0-5080-
1] - selectMaxFromConfigurations
DEBUG 10-14 14:27:42.269 FileExplorerItemDaoImpl.java 338449 261 
org.apache.openmeetings.data.file.dao.FileExplorerItemDaoImpl [http-0.
0.0.0-5080-1] - .getFileExplorerItems() started
ERROR 10-14 14:27:42.323 ConfigurationDaoImpl.java 338503 188 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl [http-0.0.0.0
-5080-1] - [getConfigurations]
org.apache.openjpa.persistence.ArgumentException: Failed to execute query 
"SELECT c FROM Configuration c LEFT JOIN FETCH c.user WHERE c
.deleted = false ORDER BY conf_key ASC". Check the query syntax for 
correctness. See nested exception for details.
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:872) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:794) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:286) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl.getConfigurations(ConfigurationDaoImpl.java:186)
 ~[openmeetings-
2.1.0-SNAPSHOT.jar:na]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl$$FastClassByCGLIB$$279d4606.invoke(<generated>)
 [cglib-jar-2.2.2
.jar:na]
        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) 
[cglib-jar-2.2.2.jar:na]
        at 
org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
 [spring-aop-
3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
 [spring-aop-3.1.1.
RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
 [org.springframew
ork.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
 [spring-aop-3.1.1.
RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)
 [spring-aop-3.
1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl$$EnhancerByCGLIB$$4e685042.getConfigurations(<generated>)
 [cglib
-jar-2.2.2.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.performExport(BackupExport.java:340)
 [openmeetings-2.1.0-SNAPSHOT
.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.service(BackupExport.java:519)
 [openmeetings-2.1.0-SNAPSHOT.jar:n
a]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExportFacade.service(BackupExportFacade.java:89)
 [openmeetings-2.1.0-SNA
PSHOT.jar:na]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
[javaee-api-5.1.2.om.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.openmeetings.servlet.outputhandler.ServletRequestExFilter.doFilter(ServletRequestExFilter.java:49)
 [openmeetings-
2.1.0-SNAPSHOT.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:77) 
[red5.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:554) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 [tomcat-coyote-6.0.32.jar:6
.0.32]
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at java.lang.Thread.run(Thread.java:619) [na:1.6.0_20]
Caused by: java.lang.IllegalArgumentException: Invalid unbound variable 
"conf_key" in query.
        at 
org.apache.openjpa.jdbc.kernel.exps.PCPath.initialize(PCPath.java:542) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.initialize(SelectConstructor.java:286)
 ~[openjpa-bundle-2.2.0.jar:2.2.
0]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.newSelect(SelectConstructor.java:173)
 ~[openjpa-bundle-2.2.0.jar:2.2.0
]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.evaluate(SelectConstructor.java:87)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.createWhereSelects(JDBCStoreQuery.java:360)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeQuery(JDBCStoreQuery.java:193)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:783)
 ~[openjpa-bundl
e-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:863) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        ... 37 common frames omitted
ERROR 10-14 14:27:42.540 BackupExport.java 338720 536 
org.apache.openmeetings.servlet.outputhandler.BackupExport [http-0.0.0.0-5080-1]
- Error exporting:
org.springframework.dao.InvalidDataAccessApiUsageException: Failed to execute 
query "SELECT c FROM Configuration c LEFT JOIN FETCH c.us
er WHERE c.deleted = false ORDER BY conf_key ASC". Check the query syntax for 
correctness. See nested exception for details.; nested ex
ception is <openjpa-2.2.0-r422266:1244990 nonfatal user error> 
org.apache.openjpa.persistence.ArgumentException: Failed to execute quer
y "SELECT c FROM Configuration c LEFT JOIN FETCH c.user WHERE c.deleted = false 
ORDER BY conf_key ASC". Check the query syntax for corr
ectness. See nested exception for details.
        at 
org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:301
) ~[org.springframework.orm-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.orm.jpa.DefaultJpaDialect.translateExceptionIfPossible(DefaultJpaDialect.java:120)
 ~[org.springframework
.orm-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:516)
 ~[org.springframework.orm-jar-3.1
.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.
java:754) ~[org.springframework.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:72
3) ~[org.springframework.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSuppor
t.java:393) 
~[org.springframework.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:120)
 ~[org.springframe
work.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
 ~[spring-aop-3.1.1
.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)
 ~[spring-aop-3
.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl$$EnhancerByCGLIB$$4e685042.getConfigurations(<generated>)
 ~[cgli
b-jar-2.2.2.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.performExport(BackupExport.java:340)
 ~[openmeetings-2.1.0-SNAPSHO
T.jar:na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExport.service(BackupExport.java:519)
 ~[openmeetings-2.1.0-SNAPSHOT.jar:
na]
        at 
org.apache.openmeetings.servlet.outputhandler.BackupExportFacade.service(BackupExportFacade.java:89)
 [openmeetings-2.1.0-SNA
PSHOT.jar:na]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
[javaee-api-5.1.2.om.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.openmeetings.servlet.outputhandler.ServletRequestExFilter.doFilter(ServletRequestExFilter.java:49)
 [openmeetings-
2.1.0-SNAPSHOT.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:77) 
[red5.jar:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 [catalina-6.0.32.jar:6.0.3
2]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:554) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 [catalina-6.0.32.jar:6.0.32]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) 
[catalina-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 [tomcat-coyote-6.0.32.jar:6
.0.32]
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) 
[tomcat-coyote-6.0.32.jar:6.0.32]
        at java.lang.Thread.run(Thread.java:619) [na:1.6.0_20]
Caused by: org.apache.openjpa.persistence.ArgumentException: Failed to execute 
query "SELECT c FROM Configuration c LEFT JOIN FETCH c.u
ser WHERE c.deleted = false ORDER BY conf_key ASC". Check the query syntax for 
correctness. See nested exception for details.
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:872) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:794) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:286) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl.getConfigurations(ConfigurationDaoImpl.java:186)
 ~[openmeetings-
2.1.0-SNAPSHOT.jar:na]
        at 
org.apache.openmeetings.data.basic.dao.ConfigurationDaoImpl$$FastClassByCGLIB$$279d4606.invoke(<generated>)
 ~[cglib-jar-2.2.
2.jar:na]
        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) 
~[cglib-jar-2.2.2.jar:na]
        at 
org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
 ~[spring-aop
-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
 ~[spring-aop-3.1.1
.RELEASE.jar:3.1.1.RELEASE]
        at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
 ~[org.springframe
work.transaction-jar-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        ... 27 common frames omitted
Caused by: java.lang.IllegalArgumentException: Invalid unbound variable 
"conf_key" in query.
        at 
org.apache.openjpa.jdbc.kernel.exps.PCPath.initialize(PCPath.java:542) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.initialize(SelectConstructor.java:286)
 ~[openjpa-bundle-2.2.0.jar:2.2.
0]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.newSelect(SelectConstructor.java:173)
 ~[openjpa-bundle-2.2.0.jar:2.2.0
]
        at 
org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.evaluate(SelectConstructor.java:87)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.createWhereSelects(JDBCStoreQuery.java:360)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeQuery(JDBCStoreQuery.java:193)
 ~[openjpa-bundle-2.2.0.jar:2.2.0]
        at 
org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:783)
 ~[openjpa-bundl
e-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:863) 
~[openjpa-bundle-2.2.0.jar:2.2.0]
        ... 37 common frames omitted
[WARN] [NioProcessor-2] org.red5.server.net.rtmp.RTMPMinaIoHandler - Exception 
caught Eine vorhandene Verbindung wurde vom Remotehost g
eschlossen

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