Michael Illgner created LANG-1322:
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Summary: ToStringStyle should not use WeakHashMap as registry
Key: LANG-1322
URL: https://issues.apache.org/jira/browse/LANG-1322
Project: Commons Lang
Issue Type: Bug
Components: lang.builder.*
Affects Versions: 3.5
Reporter: Michael Illgner
org.apache.commons.lang3.builderToStringStyle uses a WeakHashMap as REGISTRY to
detect that an object was already added to the StringBuilder to avoid recursion
for cyclic object graphs. This is used by RecursiveToStringStyle.
In a low memory situation when the garbage collector starts, the WeakHashMap is
cleared and some parts of the potentially cyclic object graph will be logged
again.
We run in this problem, when we accidentally logged an HttpServletRequest and a
HttpSession using a ReflectiontoStringBuilder
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