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Posted to dev@tomcat.apache.org by bu...@apache.org on 2001/12/27 22:25:45 UTC
DO NOT REPLY [Bug 5597] New: -
NullPointerException if web.xml not in particular order
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5597
NullPointerException if web.xml not in particular order
Summary: NullPointerException if web.xml not in particular order
Product: Tomcat 4
Version: 4.0.1 Beta 1
Platform: Sun
OS/Version: Solaris
Status: NEW
Severity: Normal
Priority: Other
Component: Webapps
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: scott@xigole.com
If, when configuring a servlet, the order of the elements is incorrect, you get
a NullPointerException in XmlMapper.java and a somewhat confusing message to the
console (stdout/stderr).
web.xml has:
<servlet>
<servlet-name>myservlet</servlet-name>
<init-param>
<param-name>aParam</param-name>
<param-value>and its value</param-value>
</init-param>
<servlet-class>com.myco.some.ClassName</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet>
If I put the servlet-class definition before the init-param then everything is
fine. In localhost_log I have:
2001-12-27 14:05:00 ContextConfig[/xigole] Parse error in application web.xml
java.lang.NullPointerException
at org.apache.catalina.util.xml.XmlMapper.readXml(XmlMapper.java:295)
at
org.apache.catalina.startup.ContextConfig.applicationConfig(ContextConfig.java:256)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:824)
at
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:224)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3334)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:454)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:712)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:599)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:777)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:463)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:612)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307)
at org.apache.catalina.core.StandardService.start(StandardService.java:388)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:505)
at org.apache.catalina.startup.Catalina.start(Catalina.java:776)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at java.lang.reflect.Method.invoke(Native Method)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
2001-12-27 14:05:00 ContextConfig[/xigole]: Marking this application unavailable
due to previous error(s)
and the console has:
ERROR reading java.io.ByteArrayInputStream@60f2f6
At The content of element type "servlet" must match
"(icon?,servlet-name,display-name?,description?,(servlet-class|jsp-file),init-param*,load-on-startup?,security-role-ref*)".
Starting service Tomcat-Apache
Apache Tomcat/4.0.1
O/S is: SunOS turtle 5.8 Generic_108528-12 sun4u sparc SUNW,Ultra-5_10
Java is: Java HotSpot(TM) Client VM (build 1.3.1_01, mixed mode)
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