Subsonic Forum

Whenever I try to access the songs of an album using the subsonic webgui I get a Java crash dump (given below) on the song playlist screen. The album list pane on the left, and the playlist on the bottom still appear and function normally. If I click play all it will still add the songs to my current playlist and play them. Also apps appear to work fine. I'm using the Subsonic app on android and the iSub app on my ipad and both have no issue display song lists and playing music.

I'm running subsonic on freebsd9.0 using apache 2.2 and tomcat 7.0. I'm using openjdk7 but this also occurs with diablo-jdk16.

Here's whats printed about my platform on the about page:
Version 4.6 (build 2583) – December 6, 2011
Server Apache Tomcat/7.0.23, java 1.7.0, FreeBSD (152.3 MB / 490.7 MB)

Here's the error message:
Error
Subsonic encountered an internal error. You can report this error in the Subsonic Forum. Please include the information below.

Exception javax.el.ELException
Message Failed to parse the expression [${class}]
Java version Oracle Corporation 1.7.0
Operating system FreeBSD 9.0-RELEASE
Server Apache Tomcat/7.0.23
Memory Used 173 of 490 MB
Stack trace javax.el.ELException: Failed to parse the expression [${class}]
at org.apache.el.lang.ExpressionBuilder.createNodeInternal(ExpressionBuilder.java:146)
at org.apache.el.lang.ExpressionBuilder.build(ExpressionBuilder.java:172)
at org.apache.el.lang.ExpressionBuilder.createValueExpression(ExpressionBuilder.java:217)
at org.apache.el.ExpressionFactoryImpl.createValueExpression(ExpressionFactoryImpl.java:67)
at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:984)
at org.apache.jsp.WEB_002dINF.jsp.main_jsp._jspx_meth_c_005fotherwise_005f1(main_jsp.java:3788)
at org.apache.jsp.WEB_002dINF.jsp.main_jsp._jspx_meth_c_005fchoose_005f1(main_jsp.java:3614)
at org.apache.jsp.WEB_002dINF.jsp.main_jsp._jspx_meth_c_005fforEach_005f1(main_jsp.java:3238)
at org.apache.jsp.WEB_002dINF.jsp.main_jsp._jspService(main_jsp.java:369)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:236)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:257)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1183)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:902)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.sourceforge.subsonic.filter.RequestEncodingFilter.doFilter(RequestEncodingFilter.java:43)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.sourceforge.subsonic.filter.ParameterDecodingFilter.doFilter(ParameterDecodingFilter.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.sourceforge.subsonic.filter.BootstrapVerificationFilter.doFilter(BootstrapVerificationFilter.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:197)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: javax.el.ELException: The identifier [class] is not a valid Java identifier as required by section 1.19 of the EL specification (Identifier ::= Java language identifier). This check can be disabled by setting the system property org.apache.el.parser.SKIP_IDENTIFIER_CHECK to true.
at org.apache.el.parser.AstIdentifier.setImage(AstIdentifier.java:132)
at org.apache.el.parser.ELParser.Identifier(ELParser.java:1217)
at org.apache.el.parser.ELParser.NonLiteral(ELParser.java:1193)
at org.apache.el.parser.ELParser.ValuePrefix(ELParser.java:1019)
at org.apache.el.parser.ELParser.Value(ELParser.java:968)
at org.apache.el.parser.ELParser.Unary(ELParser.java:950)
at org.apache.el.parser.ELParser.Multiplication(ELParser.java:714)
at org.apache.el.parser.ELParser.Math(ELParser.java:634)
at org.apache.el.parser.ELParser.Compare(ELParser.java:446)
at org.apache.el.parser.ELParser.Equality(ELParser.java:340)
at org.apache.el.parser.ELParser.And(ELParser.java:284)
at org.apache.el.parser.ELParser.Or(ELParser.java:228)
at org.apache.el.parser.ELParser.Choice(ELParser.java:185)
at org.apache.el.parser.ELParser.Expression(ELParser.java:177)
at org.apache.el.parser.ELParser.DynamicExpression(ELParser.java:149)
at org.apache.el.parser.ELParser.CompositeExpression(ELParser.java:46)
at org.apache.el.lang.ExpressionBuilder.createNodeInternal(ExpressionBuilder.java:115)
... 78 more

SS (without modding) will not work with Tomcat 7
From the installation instructions

(Please note that Subsonic currently doesn't work with Tomcat 7.)

However read viewtopic.php?f=5&t=8701
that may help