Hi, 2017-06-01 18:26 GMT+03:00 Hassan Khan <hassankhan...@gmail.com>: > > Any pointers to the problem .. pls... Have extended webapploader and use
Instead of extending the class loader you might consider the new Web Application Resources feature: http://tomcat.apache.org/tomcat-8.5-doc/config/resources.html Regards, Violeta > the below function for adding jar in tomcat 6... for tomcat 8.5 the jar are > loading but not getting included in the classpath somehow... > /** > * reflectively add a jar to the classloader. This only works when > called after super.start() has completed. > */ > private void addJar(final File jarRealFile) { > try { > final String jarPath = getFilePathRelativeToBase(jarRealFile); > final JarFile jarFile = new JarFile(jarRealFile); > final ClassLoader cl = getClassLoader(); > if (cl instanceof WebappClassLoader) { > final WebappClassLoader wcl = (WebappClassLoader) cl; > final Class<?> clazz = WebappClassLoader.class; > final Method addJar = clazz.getDeclaredMethod("addJar", new > Class[]{String.class, JarFile.class, File.class}); > addJar.setAccessible(true); > addJar.invoke(wcl, jarPath, jarFile, jarRealFile); > } > log("added jar " + jarRealFile.getCanonicalPath()); > } > catch (IOException e) { > log("Exception accessing jar file: " + jarRealFile + ": " + > e.getMessage()); > } > catch (SecurityException e) { > log("Exception finding method in WebappClassLoader to add jar > file: " + jarRealFile + ": " + e.getMessage()); > } > catch (NoSuchMethodException e) { > log("Exception finding method in WebappClassLoader to add jar > file: " + jarRealFile + ": " + e.getMessage()); > } > catch (IllegalArgumentException e) { > log("Exception calling method in WebappClassLoader to add jar > file: " + jarRealFile + ": " + e.getMessage()); > } > catch (IllegalAccessException e) { > log("Exception calling method in WebappClassLoader to add jar > file: " + jarRealFile + ": " + e.getMessage()); > } > catch (InvocationTargetException e) { > log("Exception calling method in WebappClassLoader to add jar > file: " + jarRealFile + ": " + e.getMessage()); > } > } > > Thanks > > > > > On Wed, May 31, 2017 at 5:13 PM, Hassan Khan <hassankhan...@gmail.com> > wrote: > > > So the precise exception is Only a type can be imported. ABC resolves to a > > package.. > > > > Stacktrace is : > > at org.apache.jasper.compiler.DefaultErrorHandler.javacError( > > DefaultErrorHandler.java:102) > > at org.apache.jasper.compiler.ErrorDispatcher.javacError( > > ErrorDispatcher.java:212) > > at org.apache.jasper.compiler.JDTCompiler.generateClass( > > JDTCompiler.java:457) > > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:377) > > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:349) > > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:333) > > at org.apache.jasper.JspCompilationContext.compile( > > JspCompilationContext.java:600) > > at org.apache.jasper.servlet.JspServletWrapper.service( > > JspServletWrapper.java:368) > > at org.apache.jasper.servlet.JspServlet.serviceJspFile( > > JspServlet.java:385) > > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) > > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > > ApplicationFilterChain.java:231) > > at org.apache.catalina.core.ApplicationFilterChain.doFilter( > > ApplicationFilterChain.java:166) > > at org.apache.catalina.core.ApplicationDispatcher.invoke( > > ApplicationDispatcher.java:728) > > at org.apache.catalina.core.ApplicationDispatcher.doInclude( > > ApplicationDispatcher.java:590) > > at org.apache.catalina.core.ApplicationDispatcher.include( > > ApplicationDispatcher.java:524) > > at org.apache.jasper.runtime.JspRuntimeLibrary.include( > > JspRuntimeLibrary.java:895) > > at org.apache.jsp.iNexx.common._005fshinglesTop_jsp._ > > jspService(_005fshinglesTop_jsp.java:385) ==> JSP page called from the > > main webapp referencing the modular apps > > > > > > > > On Wed, May 31, 2017 at 5:05 PM, Hassan Khan <hassankhan...@gmail.com> > > wrote: > > > >> Hi, > >> > >> We have a main webapp (Tomcat\Webapp) that has many modular webapps ( > >> (Tomcat\Webapp\app\) under it that can be removed and added by the user. > >> The main webapp has the service and connectors , but the modular webapps > >> do not need it. > >> > >> The problem is currently when the main webapp tries to access a jar in > >> the modular webapps lib dir... we have a class not found exception.. that > >> is why we need to load the jars from the modular webapps Web-INF\lib > >> directory. > >> > >> Thanks > >> > >> > >> > >> On Wed, May 31, 2017 at 5:00 PM, Aurélien Terrestris < > >> aterrest...@gmail.com> wrote: > >> > >>> hi > >>> > >>> what are you trying to do exactly ? > >>> > >>> If you just need to start one webapp after another one in a precise > >>> order, > >>> you need as many Services (+Connector on a different port, + Host) as > >>> webapps. > >>> > >>> A.T. > >>> > >>> > >>> > >>> > >>> > >>> 2017-05-31 22:48 GMT+02:00 Hassan Khan <hassankhan...@gmail.com>: > >>> > >>> > Hi, > >>> > > >>> > We have the following structure for webapps in tomcat 6. > >>> > > >>> > Tomcat > Webapp > Application 1 >WEB-INF >lib > >>> > Tomcat > Webapp > Application 1 > Application >WEB-INF> lib > >>> > > >>> > > >>> > The Tomcat > Webapp > Application 1 >WEB-INF >lib gets loaded with > >>> > addwebapp() function.. > >>> > but for Tomcat > Webapp > Application 1 > Application >WEB-INF> lib , > >>> we > >>> > wrote a custom webapploader that extended WebappLoader. > >>> > > >>> > Now we are upgrading to tomcat 8.5.... > >>> > > >>> > Wanted to know if any other way to accomplish the same task. > >>> > > >>> > Was working on using the same extended loader .. but the start() > >>> function > >>> > has changed to InternalStart() and getting a exception as below: > >>> > Caused by: org.apache.catalina.LifecycleException: An invalid > >>> Lifecycle > >>> > transition was attempted ([after_start]) for component > >>> > [WebappLoader[/SandBox/Primar]] in state [STARTING_PREP] > >>> > > >>> > Any pointer are appreciated.. not that familiar with extending apache > >>> > classes. > >>> > > >>> > Thanks > >>> > Hassan > >>> > > >>> > > >>> > > >>> > > >>> > On Wed, May 31, 2017 at 4:42 PM, Hassan Khan < hassankhan...@gmail.com> > >>> > wrote: > >>> > > >>> > > Hi, > >>> > > > >>> > > We have the following structure for webapp in tomcat 6. > >>> > > > >>> > > Tomcat > Webapp > Application 1 > Application >WEB-INF> lib > >>> > > > >>> > > T > >>> > > he Alpp > >>> > > > >>> > > -- > >>> > > Hassan Khan > >>> > > > >>> > > >>> > > >>> > > >>> > -- > >>> > Hassan Khan > >>> > > >>> > >> > >> > >> > >> -- > >> Hassan Khan > >> > > > > > > > > -- > > Hassan Khan > > > > > > -- > Hassan Khan
