Launching the dba application in BaseX 9.5 and above deployed on Tomcat 9.0 throws an error:

 

Exception

javax.servlet.ServletException: Servlet execution threw an exception

        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.lang.NoClassDefFoundError: org/eclipse/jetty/websocket/api/WebSocketAdapter

        java.lang.ClassLoader.defineClass1(Native Method)

        java.lang.ClassLoader.defineClass(ClassLoader.java:760)

        java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2478)

org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:870)

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1371)

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215)

        org.basex.query.func.session.SessionFn.session(SessionFn.java:31)

        org.basex.query.func.session.SessionGet.value(SessionGet.java:17)

        org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)

        org.basex.query.expr.ParseExpr.ebv(ParseExpr.java:71)

        org.basex.query.expr.If.expr(If.java:181)

        org.basex.query.expr.If.iter(If.java:161)

        org.basex.query.scope.MainModule.iter(MainModule.java:97)

        org.basex.query.QueryContext.iter(QueryContext.java:326)

        org.basex.http.restxq.RestXqResponse.serialize(RestXqResponse.java:84)

        org.basex.http.web.WebResponse.create(WebResponse.java:66)

        org.basex.http.restxq.RestXqServlet.run(RestXqServlet.java:69)

        org.basex.http.BaseXServlet.service(BaseXServlet.java:65)

        javax.servlet.http.HttpServlet.service(HttpServlet.java:764)

        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.lang.ClassNotFoundException: org.eclipse.jetty.websocket.api.WebSocketAdapter

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1407)

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215)

        java.lang.ClassLoader.defineClass1(Native Method)

        java.lang.ClassLoader.defineClass(ClassLoader.java:760)

        java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2478)

org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:870)

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1371)

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215)

        org.basex.query.func.session.SessionFn.session(SessionFn.java:31)

        org.basex.query.func.session.SessionGet.value(SessionGet.java:17)

        org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)

        org.basex.query.expr.ParseExpr.ebv(ParseExpr.java:71)

        org.basex.query.expr.If.expr(If.java:181)

        org.basex.query.expr.If.iter(If.java:161)

        org.basex.query.scope.MainModule.iter(MainModule.java:97)

        org.basex.query.QueryContext.iter(QueryContext.java:326)

        org.basex.http.restxq.RestXqResponse.serialize(RestXqResponse.java:84)

        org.basex.http.web.WebResponse.create(WebResponse.java:66)

        org.basex.http.restxq.RestXqServlet.run(RestXqServlet.java:69)

        org.basex.http.BaseXServlet.service(BaseXServlet.java:65)

        javax.servlet.http.HttpServlet.service(HttpServlet.java:764)

        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

 

I tried adding the Ecplise websocket API jar to the lib folder without success. Any ideas?

 

We rely on the RESTXQ for our implementations and find the dba web application very convenient for accessing the logs and managing the database.

 

Thank you.

Kim Galeazzi | Manager, Solution Architecture, Oracle/Agile PLM Consulting 

Office: 408-680-8837 | Mobile: 408-466-2121 | Campbell, CA

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