jasperreport server ce 5.5 installation error on Centos 6.5

   [java] Resource name: applicationContext-virtual-data-source.xml
   [java] Creating ActionModelService object.
   [java] Creating action model infrastructure.  
   [java] Using default importCommandBean command bean  
   [java] Using com.jaspersoft.jasperserver.export.io.ZipFileInputFactory input factory  
   [java] Using importerPrototype importer prototype bean.  
   [java] Invoking module com.jaspersoft.jasperserver.export.modules.mt.TenantImporter@391321da  
   [java] Imported tenant organizations 
   [java] Invoking module com.jaspersoft.jasperserver.export.modules.auth.AuthorityImporter@5c3286d0  
   [java] Created role ROLE_ADMINISTRATOR  
   [java] Created role ROLE_USER 
   [java] Created role ROLE_ANONYMOUS  
   [java] Created user jasperadmin  
   [java] Created user anonymousUser  
   [java] Invoking module com.jaspersoft.jasperserver.export.modules.repository.ResourceImporter@445212ca  
   [java] About to save folder /  
   [java] java.lang.NullPointerException
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.getMaxUriLength(HibernateRepositoryServiceImpl.java:1906)
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.validateResourceUriLength(HibernateRepositoryServiceImpl.java:1911)
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.access$300(HibernateRepositoryServiceImpl.java:86)
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl$13.execute(HibernateRepositoryServiceImpl.java:414)
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.HibernateDaoImpl.executeWriteCallback(HibernateDaoImpl.java:75)  
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.HibernateDaoImpl.ejava.lang.NullPointerException  
   [java] xecuteWriteCallback(HibernateDaoImpl.java:66)
   [java]     at com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.saveFolder(HibernateRepositoryServiceImpl.java:411)  
   [java]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
   [java]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)  
   [java]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
   [java]     at java.lang.reflect.Method.invoke(Method.java:606)  
   [java]     at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
   [java]     at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)  
   [java]     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)  
   [java]     at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)  
   [java]     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)  
   [java]     at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)  
   [java]     at com.sun.proxy.$Proxy12.saveFolder(Unknown Source)
   [java]     at com.jaspersoft.jasperserver.export.modules.repository.ResourceImporter.importFolder(ResourceImporter.java:301)  
   [java]     at com.jaspersoft.jasperserver.export.modules.repository.ResourceImporter.process(ResourceImporter.java:174)  
   [java]     at com.jaspersoft.jasperserver.export.ImporterImpl.process(ImporterImpl.java:156)  
   [java]     at com.jaspersoft.jasperserver.export.ImporterImpl.performImport(ImporterImpl.java:98)  
   [java]     at com.jaspersoft.jasperserver.export.ImportCommandImpl.process(ImportCommandImpl.java:58)  
   [java]     at com.jaspersoft.jasperserver.export.BaseExportImportCommand.process(BaseExportImportCommand.java:94)  
   [java]     at com.jaspersoft.jasperserver.export.ImportCommand.main(ImportCommand.java:43)
Script stderr:
BUILD FAILED/opt/jasperreports-server-cp-5.5.0a/buildomatic/bin/import-export.xml:275:
The following error occurred while executing this line:/opt/jasperreports-server-cp-5.5.0a/buildomatic/bin/import-export.xml:158: Java returned: 255
Total time: 12 seconds
Error running /opt/jasperreports-server-cp-5.5.0a/apache-ant/bin/ant import-minimal-ce :BUILD FAILED/opt/jasperreports-server-cp-5.5.0a/buildomatic/bin/import-export.xml:275:
The following error occurred while executing this line:/opt/jasperreports-server-cp-5.5.0a/buildomatic/bin/import-export.xml:158: Java returned: 255