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POPowermock and problem loading jar file file during unit test with JUnit 4 in eclipse
 

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    <p>I am using <a href="http://code.google.com/p/powermock/" rel="nofollow noreferrer">powermock</a> 1.2.5 to perform a class that saves data into Oracle database. When I run my test my unit test fails with the following exception:</p> <p>NoSuchAlgorithmException : DES Algorithm can be found.</p> <p>After debugging the code I found out that this exception is thrown when my application is trying to set the password to establish a database connection.</p> <p>Some of my observations are:</p> <ol> <li>If I run my unit test without power mock , then the exception does not occur.</li> <li>I manage to run the unit test if I manually include the sun-jce.jar file into the unit test bootstrap in eclipse.sun-jce.jar is one of the jar file within jre library folder. I am using SUN java jre version 1.5.0_10</li> </ol> <p>So I am guessing that somehow power mock unloads this particular jar file during unit test runtime. Does any one encounter similiar problem when using powermock ?</p> <p>A work around that I am thinking at the moment is to load the jar file programmatically under the setup() of my unit test.</p>
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    1. COHi, Manage to resove this problem. It seems PowerMock loads its own crypto library. So if we add ignore the javax.crypto when we run power mock: @PowerMockIgnore({"javax.crypto" }), the test will work.
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