程序没有错误，就是测试工具在运行时出错，错误如下，该怎么该
04-20 02:12:51.844: E/Trace(912): error opening trace file: No such file or directory (2)
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04-20 02:12:51.844: E/Trace(912): error opening trace file: No such file or directory (2)
2017-04-20
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