Fixed! The problem was that I was importing the necessary libs (from Tomcat and Cassandra) from its original folders. The solution was to copy the libs into WEB-INF\lib.
Greetins. Jesús. 2010/3/22 Jesus Ibanez <jesusiba...@gmail.com> > Hello all! > > I am trying to insert some data into a column from a java servlet (the name > of the servlet is Save) but when I run it, tomcat gives me this error: > > Mar 21, 2010 11:25:12 PM org.apache.catalina.core.ApplicationContext log > INFO: Marking servlet Save as unavailable > Mar 21, 2010 11:25:12 PM org.apache.catalina.core.StandardWrapperValve > invoke > SEVERE: Allocate exception for servlet Save > java.lang.ClassNotFoundException: > org.apache.cassandra.service.InvalidRequestException > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1516) > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361) > at java.lang.Class.getDeclaredConstructors0(Native Method) > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) > at java.lang.Class.getConstructor0(Class.java:2699) > at java.lang.Class.newInstance0(Class.java:326) > at java.lang.Class.newInstance(Class.java:308) > at > org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1116) > at > org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:809) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) > at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > at java.lang.Thread.run(Thread.java:619) > > I'm using Apache Tomcat 6, Cassandra 0.5.1, JDK 6 and Eclipse 3.5.2. > > Does anyone know why is this happening and how to fix it? > > Thanks in advance! > > Jesús. >