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<a class="user-hover" rel="doublep" id="email_doublep" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=doublep" style="color:#326ca6;">Paul Pogonyshev</a>
created <img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-1070'>LOGBACK-1070</a>
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<a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-1070'><strong>Logback doesn't use Throwable.printStackTrace(), thus not allowing exceptions to inject their own information into stacktrace</strong></a>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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1.1.3 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<a class="user-hover" rel="logback-dev@qos.ch" id="email_logback-dev@qos.ch" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=logback-dev%40qos.ch" style="color:#326ca6;">Logback dev list</a>
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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logback-classic </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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20/May/15 10:32 AM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>As can be seen from file ThrowableProxyConverter, Logback doesn't call exception's printStackTrace() method, but uses some custom stacktrace dumping procedure. This appears just fine for standard exceptions, but the problem is, this method is not final and can be overriden. As a result, for certain exceptions results of "standard" stacktrace dumping and Logback output differ.</p>
<p style='margin-top:0;margin-bottom:10px;'>Usecase important for me is Jython exceptions. They splice Python stacktrace into Java stacktrace by overriding printStackTrace().</p>
<p style='margin-top:0;margin-bottom:10px;'>For comparison, here are parts of the same exception stacktrace. How it appears with exception.printStackTrace (...):</p>
<p style='margin-top:0;margin-bottom:10px;'> ...<br/>
at java.lang.Thread.run(Thread.java:745)<br/>
Caused by: Traceback (most recent call last):<br/>
File "<string>", line 1, in <module><br/>
File "test.py", line 3, in main<br/>
ValueError: this is a test error</p>
<p style='margin-top:0;margin-bottom:10px;'> at org.python.core.PyException.doRaise(PyException.java:219)<br/>
at org.python.core.Py.makeException(Py.java:1166)<br/>
...</p>
<p style='margin-top:0;margin-bottom:10px;'>How it appears in log file:</p>
<p style='margin-top:0;margin-bottom:10px;'> at java.lang.Thread.run(Thread.java:745)<br/>
Caused by: org.python.core.PyException: null<br/>
at org.python.core.PyException.doRaise(PyException.java:219)<br/>
at org.python.core.Py.makeException(Py.java:1166)<br/>
...</p>
<p style='margin-top:0;margin-bottom:10px;'>Logback probably does it for performance reasons, but in this case, for me at least, full stacktrace is infinitely more important than performance, because exceptions don't happen often anyway.</p>
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
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<a style="color:#326ca6;" href="http://jira.qos.ch/browse/LOGBACK">logback</a>
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
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<img src="http://jira.qos.ch/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="doublep" id="email_doublep" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=doublep" style="color:#326ca6;">Paul Pogonyshev</a>
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