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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=19096
BeanMap.toString() causes infinite loop on circular object graph
------- Additional Comments From mohankishore@yahoo.com 2003-04-18 23:15 -------
BeanMap< bean.toString() > sounds good to me.
JDK collection classes dont check for cyclic references either...
Ran a test program:
Map m = new HashMap();
m.put("1", "One");
m.put("2", m);
m.put("3", "Three");
System.out.println(m);
Output:
Exception in thread "main" java.lang.StackOverflowError
at java.util.AbstractMap.toString(AbstractMap.java:559)
at java.lang.String.valueOf(String.java:2013)
at java.lang.StringBuffer.append(StringBuffer.java:365)
at java.util.AbstractMap.toString(AbstractMap.java:562)
at java.lang.String.valueOf(String.java:2013)
at java.lang.StringBuffer.append(StringBuffer.java:365)
at java.util.AbstractMap.toString(AbstractMap.java:562)
...
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