comando: C:\Documents and Settings\vlima\Desktop\teste\apache-tomcat-5.5.20\weba
pps\business\WEB-INF\GifGenerator.exe -t 1000 -r 1 -f D:\helix_data\dmdweb\banne
rs\moonwalk_20070301134957182.gif;D:\helix_data\dmdweb\banners\footprint_2007030
1135004104.gif -o C:\Documents and Settings\vlima\Desktop\teste\apache-tomcat-5.
5.20\webapps\ROOT\testando\logos.gif1java.lang.NullPointerException
at java.lang.ProcessBuilder.start(ProcessBuilder.java:441)
at java.lang.Runtime.exec(Runtime.java:591)
at java.lang.Runtime.exec(Runtime.java:464)
at br.com.teste.www.dmd.comm.ChatServlet.gifGenerator(ChatServlet.java:33
02)
at br.com.teste.www.dmd.comm.ChatServlet.processRequest(ChatServlet.java:
454)
at br.com.teste.www.dmd.comm.ChatServlet.doPost(ChatServlet.java:2808)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:432)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p
rocessConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Thread.java:595)