[CXF-6614] "Comparison method violates its general contract" in DestinationRegistryImpl.getSortedDestinations

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.3
• Fix Version/s: 2.7.18, 3.0.7, 3.1.4
• Component/s: Transports

Environment

Server version: Apache Tomcat/8.0.26
Server built: Aug 18 2015 11:38:37 UTC
Server number: 8.0.26.0
OS Name: Linux
OS Version: 3.13.0-63-generic
Architecture: amd64
JVM Version: 1.8.0_60-b27
JVM Vendor: Oracle Corporation

• Estimated Complexity: Unknown
• Assignee: Sergey Beryozkin
• Reporter: Heiko Hüter
• Created: 29/Sep/15 07:00
• Updated: 14/Oct/16 14:12
• Resolved: 05/Oct/15 12:53

Description

The error occurs when trying to view the generated overview page with all Services (going to servlet root without any subpath).

java.lang.IllegalArgumentException: Comparison method violates its general contract!
java.util.TimSort.mergeHi(TimSort.java:899)
java.util.TimSort.mergeAt(TimSort.java:516)
java.util.TimSort.mergeForceCollapse(TimSort.java:457)
java.util.TimSort.sort(TimSort.java:254)
java.util.Arrays.sort(Arrays.java:1438)
java.util.List.sort(List.java:478)
java.util.Collections.sort(Collections.java:175)
org.apache.cxf.transport.http.DestinationRegistryImpl.getSortedDestinations(DestinationRegistryImpl.java:123)
org.apache.cxf.transport.servlet.servicelist.ServiceListGeneratorServlet.service(ServiceListGeneratorServlet.java:85)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:177)
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160)
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:293)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:217)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:268)