将jdk8构建迁移到jdk9时导致OutOfMemoryError的原因是什么？

时间：2017-04-30 12:23:01

标签： intellij-idea junit maven-3 java-9

我正在迁移一个junit 4 - ＆gt;来自jdk 8的junit 5 - ＆gt; jdk 9 ...

junit-poc的构建在我的拼图分支中失败java.lang.OutOfMemoryError。我可以从我的想法（IntelliJ IDEA 2017.1）中运行这些测试，但是在使用maven构建时会出现错误（并且测试未执行）。

mvn --version：

Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T17:41:47+01:00)
Maven home: /Library/maven
Java version: 9-ea, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home
Default locale: en_NO, platform encoding: UTF-8
OS name: "mac os x", version: "10.12.4", arch: "x86_64", family: "mac"

java -version：

java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+167)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+167, mixed mode)

pom.xml：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.github.jactor-rises</groupId>
    <artifactId>junit-poc</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>junit-poc</name>
    <url>https://github.com/jactor-rises/junit-poc</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-api</artifactId>
            <version>5.0.0-M4</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-params</artifactId>
            <version>5.0.0-M4</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.hamcrest</groupId>
            <artifactId>hamcrest-core</artifactId>
            <version>1.3</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
            <version>2.7.22</version>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-engine</artifactId>
            <version>5.0.0-M4</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.platform</groupId>
            <artifactId>junit-platform-launcher</artifactId>
            <version>1.0.0-M4</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.platform</groupId>
            <artifactId>junit-platform-runner</artifactId>
            <version>1.0.0-M4</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <source>9</source>
                    <target>9</target>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.20</version>
                <dependencies>
                    <dependency>
                        <groupId>org.junit.platform</groupId>
                        <artifactId>junit-platform-surefire-provider</artifactId>
                        <version>1.0.0-M4</version>
                    </dependency>
                    <dependency>
                        <groupId>org.junit.vintage</groupId>
                        <artifactId>junit-vintage-engine</artifactId>
                        <version>4.12.0-M4</version>
                    </dependency>
                    <dependency>
                        <groupId>org.junit.jupiter</groupId>
                        <artifactId>junit-jupiter-engine</artifactId>
                        <version>5.0.0-M4</version>
                    </dependency>
                </dependencies>
            </plugin>
        </plugins>
    </build>
</project>
来自maven build的

：

[INFO] Running com.github.jactorrises.junit.PocBeanJupiterTest
[INFO] Running com.github.jactorrises.junit.PocBeanTest
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 12.391 s
[INFO] Finished at: 2017-04-30T13:53:18+02:00
[INFO] Final Memory: 14M/48M
[INFO] ------------------------------------------------------------------------
[ERROR] OutOfMemoryError -> [Help 1]
java.lang.OutOfMemoryError
    at java.base/java.lang.AbstractStringBuilder.hugeCapacity(AbstractStringBuilder.java:188)
    at java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:180)
    at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:147)
    at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:512)
    at java.base/java.lang.StringBuilder.append(StringBuilder.java:141)
    at org.apache.maven.plugin.surefire.booterclient.output.MultipleFailureException.getLocalizedMessage(MultipleFailureException.java:52)
    at org.apache.maven.plugin.surefire.booterclient.ForkStarter$CloseableCloser.run(ForkStarter.java:200)
    at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.CommandLineUtils$1.call(CommandLineUtils.java:282)
    at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:626)
    at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:533)
    at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:279)
    at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:243)
    at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1077)
    at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:907)
    at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:785)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:563)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)

我为那些可能知道要寻找什么的人创造了一个正则表达式小提琴...（http://refiddle.com/m17y）

这让我很头疼...... 它在IntelliJ中运行良好，并且如堆栈跟踪所示，它来自su​​refire-plugin内部的AbstractStringBuilder。这些是使用的人工制品：

<artifactId>junit-platform-surefire-provider</artifactId>...
<artifactId>junit-vintage-engine</artifactId>...
<artifactId>junit-jupiter-engine</artifactId>...

我正在使用surefire-plugin版本2.20。有没有人遇到类似的错误？

这是$＃$的痛苦......我已经将java 9 ea升级为172并将mockito核心升级到2.8.9。我有所有最新的版本，但到目前为止没有运气...建议是适当的。

完整源代码：jigsaw-junit-poc

2 个答案:

答案 0 :(得分：1)

Java 9将其字符串表示从chars更改为使用字节。我假设答案就在这里。你在某个地方使用了很多特殊字符吗？

答案 1 :(得分：0)

这通过一些新的Java版本或surefire-plugin版本解决了自己

我现在正在使用openjdk 13和surefire-plugin 2.22.0

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