Hi,
ok, I realised that I cannot load a native library twice. So I wrote
and compiled a class called InitMapserver, which looks like that:
public class InitMapserver
{
static {
try {
System.loadLibrary("mapscript");
System.err.println("libmapscript.so loaded");
} catch (UnsatisfiedLinkError e) {
System.err.println("libmapscript.so not loaded: " + e);
}
}
}
and put it into the common/classes directory. Then I try to load this
class in a servlet
doing:
public void init(ServletConfig config) throws ServletException
{
try
{
Class.forName("InitMapserver");
} catch (ClassNotFoundException ex) {
file://throw new ServletException(ex.getMessage() + "Class
InitMapserver not found");
System.err.println(ex.getMessage() + "Class InitMapserver not
found");
}
}
But I still get the same error message (see below).
Thanx Andreas
################################################
Error Message
################################################
javax.servlet.ServletException: Invoker service() exception
at
org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServle
t.java:504)
at
org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:
180)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appli
cationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
lterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVa
lve.java:243)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextVa
lve.java:201)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2
344)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.ja
va:164)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcher
Valve.java:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.ja
va:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:4
62)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValv
e.java:163)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor
.java:1011)
at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.jav
a:1106)
at java.lang.Thread.run(Thread.java:484)
----- Root Cause -----
java.lang.UnsatisfiedLinkError: get_FTString
at edu.umn.gis.mapscript.mapscript.get_FTString(Native Method)
at edu.umn.gis.mapscript.mapscript.<clinit>(mapscript.java:767)
at edu.umn.gis.mapscript.mapObj.<init>(mapObj.java:227)
at TestLoadLib.doGet(TestLoadLib.java:76)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServle
t.java:446)
at
org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:
180)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appli
cationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
lterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVa
lve.java:243)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextVa
lve.java:201)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2
344)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.ja
va:164)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcher
Valve.java:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.ja
va:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:4
62)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:564)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValv
e.java:163)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.
java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:472)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor
.java:1011)
at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.jav
a:1106)
at java.lang.Thread.run(Thread.java:484)
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