https://bz.apache.org/bugzilla/show_bug.cgi?id=59255
Bug ID: 59255
Summary: 404 due to NullPointer in Mapper.java
Product: Tomcat 8
Version: 8.0.29
Hardware: PC
OS: Linux
Status: NEW
Severity: major
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: mmikolajc...@xtm-intl.com
Since update to Tomcat 8.0.29 we noticed problems in our Struts based
application. Some actions in random moments returned 404 errors without any
log. The same problem appeared in 8.0.30-33. We analyzed changes made between
versions 8.0.28 and 8.0.29 and by adding them one by one we found that the
problem is caused by org.apache.catalina.mapper.Mapper and new properties in
Context: mapperContextRootRedirectEnabled and mapperDirectoryRedirectEnabled.
mappingData.context.getMapper...RedirectEnabled() throws in some situations
null pointer exception because mappingData.context in null.
After changing code of Mapper.java in Tomcat 8.0.33 and recompiling we
confirmed that
changes:879c879,883
< if(mappingData.wrapper == null && noServletPath) {
---
> if (mappingData.wrapper == null && noServletPath && mappingData.context
> == null){
> log.error("Kaboom: " + mappingData.toString());
> } else {
> if(mappingData.wrapper == null && noServletPath &&
> mappingData.context.getMapperContextRootRedirectEnabled()) {
887a892
> }
1006c1011,1015
< if (file != null && file.isDirectory()) {
---
> if (file != null && file.isDirectory() && mappingData.context
> == null){
> log.error("Kaboom: " + mappingData.toString());
> } else {
> if (file != null && file.isDirectory() &&
>
> mappingData.context.getMapperDirectoryRedirectEnabled()) {
1017a1027
> }
logs in catalina.out:
31-Mar-2016 10:23:28.633 SEVERE [ajp-nio-0.0.0.0-8009-exec-1]
org.apache.catalina.mapper.Mapper.internalMapWrapper Kaboom:
org.apache.catalina.mapper.MappingData@6443d97d
31-Mar-2016 10:24:40.946 SEVERE [ajp-nio-0.0.0.0-8009-exec-1]
org.apache.catalina.mapper.Mapper.internalMapWrapper Kaboom:
org.apache.catalina.mapper.MappingData@6443d97d
31-Mar-2016 10:25:26.272 SEVERE [ajp-nio-0.0.0.0-8009-exec-3]
org.apache.catalina.mapper.Mapper.internalMapWrapper Kaboom:
org.apache.catalina.mapper.MappingData@14a421a8
If there is anything that we can do to help you solve this problem please send
us information how we can help.
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