I'm working in Android Studio and encountered this error when trying to generate a signed APK for release. I was able to build and test a debug APK with no problem, but as soon as I wanted to build a release APK, the build process would run for minutes on end and then finally terminate with the "Error java.lang.OutOfMemoryError: GC overhead limit exceeded". I increased the heap sizes for both the VM and the Android DEX compiler, but the problem persisted. Finally, after many hours and mugs of coffee it turned out that the problem was in my app-level 'build.gradle' file - I had the 'minifyEnabled' parameter for the release build type set to 'false', consequently running Proguard stuffs on code that hasn't been through the code-shrinking' process (see https://developer.android.com/studio/build/shrink-code.html). I changed the 'minifyEnabled' parameter to 'true' and the release build executed like a dream :)

简而言之，我必须改变应用程序级别的“构建”。Gradle文件来自: / /……

buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        signingConfig signingConfigs.sign_config_release
    }
    debug {
        debuggable true
        signingConfig signingConfigs.sign_config_debug
    }
}

//...

to

    //...

buildTypes {
    release {
        minifyEnabled true
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        signingConfig signingConfigs.sign_config_release
    }
    debug {
        debuggable true
        signingConfig signingConfigs.sign_config_debug
    }
}

//...

下面的方法对我很有效。只需添加以下片段:

android {
        compileSdkVersion 25
        buildToolsVersion '25.0.1'

defaultConfig {
        applicationId "yourpackage"
        minSdkVersion 10
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
        multiDexEnabled true
    }
dexOptions {
        javaMaxHeapSize "4g"
    }
}

根据Java[8]平台，标准版故障处理指南，错误原因:(强调和换行符添加)

[…“GC overhead limit exceeded”表示垃圾收集器一直在运行，Java程序进展非常缓慢。 在垃圾收集之后，如果Java进程花费大约98%的时间进行垃圾收集，如果它回收的堆不到2%，并且到目前为止已经连续进行了5次(编译时间常数)垃圾收集，则抛出Java .lang. outofmemoryerror。[…]

Increase the heap size if current heap is not enough. If you still get this error after increasing heap memory, use memory profiling tools like MAT ( Memory analyzer tool), Visual VM etc and fix memory leaks. Upgrade JDK version to latest version ( 1.8.x) or at least 1.7.x and use G1GC algorithm. . The throughput goal for the G1 GC is 90 percent application time and 10 percent garbage collection time Apart from setting heap memory with -Xms1g -Xmx2g , try -XX:+UseG1GC -XX:G1HeapRegionSize=n -XX:MaxGCPauseMillis=m -XX:ParallelGCThreads=n -XX:ConcGCThreads=n

看看更多关于G1GC的相关问题

G1上的Java 7 (JDK 7)垃圾收集和文档 生产环境中的Java G1垃圾收集 Oracle technetwork关于GC优化的文章

我在使用Oracle web逻辑服务器时得到了这个错误。我分享我的答案作为参考，以防有人最终在这里寻找解决方案。

所以，如果你试图提升Oracle web逻辑服务器并得到这个错误，那么你只需要增加运行服务器的初始和最大堆大小。

转到- > C:\Oracle\Middleware\Oracle_Home\user_projects\domains\wl_server\bin 打开setDomainEnv.cmd 检查设置USER_MEM_ARGS值，如果小于 set USER_MEM_ARGS="- xms128m - Xmx8192m ${MEM_DEV_ARGS} ${MEM_MAX_PERM_SIZE}"

这意味着初始堆大小设置为128 MB，最大堆大小为8GB。 现在，只需保存文件并重新启动服务器。如果不能解决问题，请尝试增加大小或寻找优化服务的方法。

参考，检查这个链接:https://docs.oracle.com/cd/E49933_01/server.770/es_install/src/tins_postinstall_jvm_heap.html

edit:检查您是否能够在运行服务器时看到更新的java参数。就像这样 如果它像以前一样，那么替换setDoaminEnv中显示的值。CMD由简单的搜索和替换。

@Buhb 我在一个普通的spring-boot web应用程序的main方法中复制了这个过程。代码如下:

public static void main(String[] args) {
    SpringApplication.run(DemoServiceBApplication.class, args);
    LOGGER.info("hello.");
    int len = 0, oldlen=0;
    Object[] a = new Object[0];
    try {
        for (; ; ) {
            ++len;
            Object[] temp = new Object[oldlen = len];
            temp[0] = a;
            a = temp;
        }
    } catch (Throwable e) {
        LOGGER.info("error: {}", e.toString());
    }
}

引起come的示例代码也是来自oracle java8语言规范。

您可以尝试通过参考此映像来更改服务器设置，并增加用于处理的内存大小 流程更改以黄色突出显示

你也可以通过打开cmd-> set _java_opts - xmx2g来改变java堆 2g(2gb)，这取决于程序的复杂程度

尽量少使用常数变量和临时变量