I recently re-build DSpace 6x from an empty directory, and several tomcat
webapps are not starting. The tomcat logs show "one or more listeners
failed to start".
If I add additional logging to the application, I see the following error.
Would you have any advice to offer?
Jun 02, 2017 5:20:41 PM org.apache.catalina.core.StandardContext
listenerStart
SEVERE: Exception sending context initialized event to listener instance of
class org.dspace.app.util.DSpaceWebappListener
java.lang.UnsupportedClassVersionError: org/postgresql/Driver : Unsupported
major.minor version 52.0 (unable to load class org.postgresql.Driver)
at
org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3129)
at
org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1341)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1827)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:195)
at
org.apache.commons.dbcp2.BasicDataSource.createConnectionFactory(BasicDataSource.java:2124)
at
org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2033)
at
org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533)
at
org.dspace.storage.rdbms.DatabaseUtils.updateDatabase(DatabaseUtils.java:547)
at org.dspace.core.Context.<clinit>(Context.java:102)
at
org.dspace.app.util.AbstractDSpaceWebapp.register(AbstractDSpaceWebapp.java:74)
at
org.dspace.app.util.DSpaceWebappListener.contextInitialized(DSpaceWebappListener.java:31)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5068)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5584)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)
at
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:473)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
When I look at my webapps dir, I see the following:
webapps]$ find . -name *postgres* -print
./xmlui/WEB-INF/lib/postgresql-9.4.1211.jar
./jspui/WEB-INF/lib/postgresql-9.4.1211.jar
./sword/WEB-INF/lib/postgresql-9.4.1211.jar
./rdf/WEB-INF/lib/postgresql-9.4.1211.jar
./swordv2/WEB-INF/lib/postgresql-9.4.1211.jar
./rest/WEB-INF/lib/postgresql-9.4.1211.jar
./oai/WEB-INF/lib/postgresql-9.4.1211.jar
--
Terry Brady
Applications Programmer Analyst
Georgetown University Library Information Technology
http://georgetown-university-libraries.github.io/
425-298-5498 <(425)%20298-5498> (Seattle, WA)
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