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FYI: Java 5 Update 4 changed the default for java.io.tmpdir

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FYI: Java 5 Update 4 changed the default for java.io.tmpdir

Subject: FYI: Java 5 Update 4 changed the default for java.io.tmpdir
From: Timo Hoepfner <email@hidden>
Date: Mon, 29 Jun 2009 10:19:23 +0200

Hi,

just FYI. Java 5 Update 4 changed the default for java.io.tmpdir. This affects File.createTempFile(...).

Previously it would create paths like:

/tmp/FOO-2946977911338389380.tmp

Now it will create create paths like:

/var/folders/Lh/LhcGbUPf2RWMKk+1YwshfU+++TI/-Tmp-/ FOO-2946977911338389380.tmp

Depending on how you use it, this can cause problems. See these discussions:

<http://lists.apple.com/archives/Java-dev/2009/Jun/msg00321.html>
<http://discussions.apple.com/thread.jspa?threadID=2041458>

You can restore the old approach by manually setting the java.io.tmpdir property:

	System.setProperty("java.io.tmpdir", "/tmp/");


Timo

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