Dear All,
we are getting Internal Server Error email from DSpace 6.
--------------------------------
- Method: GET
-- Parameters were:
Exception:
org.apache.jasper.JasperException: javax.servlet.ServletException:
org.hibernate.exception.GenericJDBCException: Could not open connection
at org.apache.jasper.servlet.JspServletWrapper.handleJspException(
JspServletWrapper.java:555)
at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:461)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(
JspServlet.java:396)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(
WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:207)
at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(
DSpaceWebappServletFilter.java:78)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(
AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(
AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:522)
at org.apache.coyote.http11.AbstractHttp11Processor.process(
AbstractHttp11Processor.java:1095)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.
process(AbstractProtocol.java:672)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.
doRun(NioEndpoint.java:1502)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.
run(NioEndpoint.java:1458)
at java.util.concurrent.ThreadPoolExecutor.runWorker(
ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(
ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(
TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.servlet.ServletException:
org.hibernate.exception.GenericJDBCException:
Could not open connection
at org.apache.jsp.index_jsp._jspService(index_jsp.java:187)
at org.apache.jasper.runtime.HttpJspBase.service(
HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:438)
... 27 more
Caused by: org.hibernate.exception.GenericJDBCException: Could not open
connection
at org.hibernate.exception.internal.StandardSQLExceptionConverter.
convert(StandardSQLExceptionConverter.java:54)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(
SqlExceptionHelper.java:124)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(
SqlExceptionHelper.java:109)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.
obtainConnection(LogicalConnectionImpl.java:221)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.
getConnection(LogicalConnectionImpl.java:157)
at org.hibernate.engine.transaction.internal.jdbc.
JdbcTransaction.doBegin(JdbcTransaction.java:67)
at org.hibernate.engine.transaction.spi.
AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
at org.hibernate.internal.SessionImpl.beginTransaction(
SessionImpl.java:1387)
at sun.reflect.GeneratedMethodAccessor373.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.hibernate.context.internal.ThreadLocalSessionContext$
TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:352)
at com.sun.proxy.$Proxy41.beginTransaction(Unknown Source)
at org.dspace.core.HibernateDBConnection.getSession(
HibernateDBConnection.java:44)
at org.dspace.core.HibernateDBConnection.getSession(
HibernateDBConnection.java:33)
at org.dspace.core.AbstractHibernateDAO.getHibernateSession(
AbstractHibernateDAO.java:48)
at org.dspace.core.AbstractHibernateDAO.createQuery(
AbstractHibernateDAO.java:116)
at org.dspace.content.dao.impl.MetadataFieldDAOImpl.findByElement(
MetadataFieldDAOImpl.java:88)
at org.dspace.content.MetadataFieldServiceImpl.findByElement(
MetadataFieldServiceImpl.java:93)
at org.dspace.content.CommunityServiceImpl.findAllTop(
CommunityServiceImpl.java:163)
at org.dspace.app.webui.components.TopCommunitiesSiteProcessor.
process(TopCommunitiesSiteProcessor.java:54)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:180)
... 30 more
-----------------------------------------------------------
what may be the issue? how to resolve it ?
Regards,
Bhavesh
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