https://issues.apache.org/bugzilla/show_bug.cgi?id=54068
Priority: P2
Bug ID: 54068
Assignee: dev@tomcat.apache.org
Summary: Web fragment sorting incorrectly detects circular
reference
Severity: normal
Classification: Unclassified
Reporter: dennis.hom...@coremedia.com
Hardware: PC
Status: NEW
Version: 7.0.32
Component: Catalina
Product: Tomcat 7
Created attachment 29522
--> https://issues.apache.org/bugzilla/attachment.cgi?id=29522&action=edit
Test case implementation
The implementation of web fragment sorting with relative ordering constraints
may detect circular references, even though there is no such circle.
This occurrence of this bug depends on the iteration order of the input map.
Consider the attached test case, defining a simple chain of three web
fragments:
* web fragments a, b, c, with relative constraints "b after a", "c after b".
* expected result: a, b, c
* actual result:
Testcase: testOrderWebFragmentsRelative4 took 0,002 sec
Caused an ERROR
Fragment relative ordering contains circular references. Thsi can be resolved
by using absolute ordering in web.xml.
java.lang.IllegalArgumentException: Fragment relative ordering contains
circular references. Thsi can be resolved by using absolute ordering in
web.xml.
at
org.apache.catalina.deploy.WebXml.orderWebFragments(WebXml.java:2190)
at
org.apache.catalina.deploy.TestWebXmlOrdering.testOrderWebFragmentsRelative4(TestWebXmlOrdering.java:268)
Workaround: use absolute ordering.
Details:
* Java 1.7.0_07
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