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Posted to dev@tomcat.apache.org by bu...@apache.org on 2020/10/29 11:14:41 UTC
[Bug 64859] New: Assertion errros
org.apache.catalina.mapper.Mapper.internalMap(Mapper.java:744)
https://bz.apache.org/bugzilla/show_bug.cgi?id=64859
Bug ID: 64859
Summary: Assertion errros
org.apache.catalina.mapper.Mapper.internalMap(Mapper.j
ava:744)
Product: Tomcat 9
Version: 9.0.34
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: marcin.borcz@asseco.pl
Target Milestone: -----
Created attachment 37538
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37538&action=edit
Full stacktraces for mentioned log entries
We had observed the following assertion errors, total 356 cases.
"java.lang.AssertionError
at org.apache.catalina.mapper.Mapper.internalMap(Mapper.java:744)"
Above errors were preceded by the two log info entries
"org.apache.catalina.connector.CoyoteAdapter.checkRecycled
Encountered a non-recycled request and recycled it forcedly.
org.apache.catalina.connector.CoyoteAdapter$RecycleRequiredException"
"org.apache.coyote.http11.Http11Processor.service Error parsing HTTP request
header
Note: further occurrences of HTTP request parsing errors will be logged at
DEBUG level.
java.lang.IllegalStateException: Unexpected state: headers already parsed.
Buffer not recycled?"
Full log entries are in the attachment.
Assertion errors had occurred for 2 hours and then the problem disappeared.
After a few hours, we had noticed another two cases this time not preceded by
any connected log entries. After that, we restarted the problematic instance
and the situation has not repeated anymore.
Almost the same configuration and application are in use for weeks so it's
rather not an issue.
Application and installation:
Spring Boot 2.0 + Vaadin 8
The application running in Kubernetes based on image
tomcat:9.0.34-jdk8-openjdk-slim
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[Bug 64859] Assertion errros
org.apache.catalina.mapper.Mapper.internalMap(Mapper.java:744)
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64859
marcin borcz <ma...@asseco.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marcin.borcz@asseco.pl
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[Bug 64859] Assertion errros
org.apache.catalina.mapper.Mapper.internalMap(Mapper.java:744)
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64859
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Mark Thomas <ma...@apache.org> ---
This is typically caused by an application or library retaining a reference to
a request, response, InputStream, OutputStream etc. beyond the lifetime of the
original request (Tomcat recycles these objects and you end up with two threads
trying to use the same object).
The users list is usually the best place to debug issues such as these.
If you are sure a reference is not being retained and you are able to reproduce
this issue feel free to re-open this report and provide the necessary steps to
recreate the issue from a clean install of the latest release of a currently
supported Tomcat major version (e.g. 9.0.x).
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