On 09/03/2012 13:06, Volodymyr Bezuglyy wrote: > Hello! > > Our client use Tomcat 5.0.28.
That is unfortunate. > We deploy Web application with jnlp servlet on this Tomcat. > From time to time after restart of Tomcat and when first user tries to > download our application via Java WebStart there occures > java.lang.ClassNotFoundException exceptions on Tomcat's side like following: > java.lang.NoClassDefFoundError: jnlp.sample.servlet.DownloadRequest > at > jnlp.sample.servlet.JnlpDownloadServlet.handleRequest(JnlpDownloadServlet.java:122) > at > jnlp.sample.servlet.JnlpDownloadServlet.doGet(JnlpDownloadServlet.java:113) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > ... > Caused by: java.lang.ClassNotFoundException: > jnlp.sample.servlet.DownloadRequest > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1340) > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189) > ... 40 more > > or like following > java.lang.NoClassDefFoundError: > jnlp.sample.servlet.ResourceCatalog$PathEntries > at > jnlp.sample.servlet.ResourceCatalog.lookupResource(ResourceCatalog.java:109) > at > jnlp.sample.servlet.JnlpDownloadServlet.handleVersionRequest(JnlpDownloadServlet.java:204) > at > jnlp.sample.servlet.JnlpDownloadServlet.locateResource(JnlpDownloadServlet.java:179) > at > jnlp.sample.servlet.JnlpDownloadServlet.handleRequest(JnlpDownloadServlet.java:120) > at > jnlp.sample.servlet.JnlpDownloadServlet.doGet(JnlpDownloadServlet.java:85) > ... > Caused by: java.lang.ClassNotFoundException: > jnlp.sample.servlet.ResourceCatalog$PathEntries > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1340) > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189) > ... 45 more > etc. > > Not found classes are different each time. > Bu these classes exist in classpath - they are in WEB-INF\lib. > > We do not have these exceptions if we run Tomcat using Java 1.4. > These exceptions occures on Java 5 only. So, given that your client is somewhat out of date sticking with 1.4 might be the best thing - at least you know it works. > As far as I can see these exceptions occurs only once after restart of > Tomcat, when first user downloads our application. > There are no any ClassNotFoundException when second user downloads our > application. > > We have such problems on a few clients. > Ant these clients can't change either version of Tomcat or version of Java. That's really quite unfortunate. > Do you have any idea what could be wrong? Sorry, no. > Thank you, > Vladimir. > > > -- [key:62590808]
signature.asc
Description: OpenPGP digital signature
