当OutOfMemoryError而我DECOM preSS RAR Android上的文件 [英] OutOfMemoryError when I decompress RAR file on Android

问题描述

我尝试做这样的： DECOM preSS RAR文件在Android的

但我的RAR文件的一个无法DECOM pressed。

But one of my rar file cannot be decompressed.

日志：

01-01 17:41:32.121: E/AndroidRuntime(12799): FATAL EXCEPTION: Thread-771
01-01 17:41:32.121: E/AndroidRuntime(12799): java.lang.OutOfMemoryError
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.unpack.ppm.SubAllocator.startSubAllocator(SubAllocator.java:146)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.unpack.ppm.ModelPPM.decodeInit(ModelPPM.java:216)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.unpack.Unpack.readTables(Unpack.java:656)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.unpack.Unpack.unpack29(Unpack.java:165)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.unpack.Unpack.doUnpack(Unpack.java:120)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.Archive.doExtractFile(Archive.java:500)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.Archive.extractFile(Archive.java:442)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.testutil.ExtractArchive.extractArchive(ExtractArchive.java:73)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.github.junrar.testutil.ExtractArchive.extractArchive(ExtractArchive.java:29)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.letusread.util.DeCompressUtil.deCompress(DeCompressUtil.java:140)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at com.letusread.activity.FileListActivity$7.run(FileListActivity.java:338)
01-01 17:41:32.121: E/AndroidRuntime(12799):    at java.lang.Thread.run(Thread.java:856)
01-01 17:41:32.324: E/MobclickAgent(12799): onEndSession called before onStartSession

我的文件是DECOM pressed但我的应用程序崩溃！
其他文件可以DECOM pressed正确;
你能帮我解决这个错误？

I the file was decompressed but my apps has crashed! other files can be decompressed properly; can you help me to solve this error??

推荐答案

在事实上，它似乎是执行中的错误。这是我使用，以避免问题的​​解决方法：

In fact, it seems to be a bug of the implementation. This is the workaround I have used in order to avoid the problem:

在 com.github.junrar.unpack.ppm.ModelPPM.java 的，行196： MaxMB = unpackRead.getChar（）;

该方法的getchar ，在某些情况下，怪异，返回一个非常大的数字。这应该是由于破头或头选项不junrar支持。

the method getChar, in some weird situations, return a very big number. It should be due to a broken header or a header option not supported by junrar.

我的解决方法是检查是否MaxMB均大于1，我一直在使用这种修复很长一段时间没有问题设置为1。

My workaround was to check if MaxMB was greater than 1 and set to 1. I've been using this fix for a long time without problems.

int MaxMB = 0;
if (reset) {
    MaxMB = unpackRead.getChar();
    if (MaxMB > 1) { //Workaround
        MaxMB = 1;
    }
}

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