堆棧內存溢出
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JHipster Eclipse項目“主”中的內存不足

[英]JHipster Eclipse project running out of memory in “main”

 原文  2014-03-18 01:26:59  6   1    java/ eclipse/ node.js/ maven/ jhipster

問題描述

我正在建立一個基線JHipster項目，其中不涉及任何麻煩（不包含集群等）。 我正在使用我的標准啟用節點的命令行（當然）按照確切的教程步驟進行操作，然后將項目作為Maven項目導入到Eclipse中。 根據我對項目的審查，一切看起來都應該工作正常，除非我嘗試在服務器上運行它或使用mvn命令行構建它...

錯誤信息 

INFO: Starting Servlet Engine: Apache Tomcat/7.0.12
Exception in thread "main" 
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "main"

POM / Maven的

據我所知，這可能是POM依賴項錯誤，但是如果是這樣，那么我將花費大量時間來找出哪個錯誤。 我的項目直接配置為使用JRE 1.7。 我的POM在下面。 另一個想法是，它與從Hipster（在POM之后）安裝的原始NPM直接相關： 

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.0.0.RC4</version>
</parent>

<profiles>
    <profile>
        <id>dev</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <properties>
            <!-- Spring profile to use -->
            <spring.profiles.active>dev</spring.profiles.active>
            <!-- log configuration -->
            <logback.loglevel>DEBUG</logback.loglevel>
        </properties>
    </profile>
    <profile>
        <id>prod</id>
        <properties>
            <!-- Spring profile to use -->
            <spring.profiles.active>prod</spring.profiles.active>
            <!-- log configuration -->
            <logback.loglevel>INFO</logback.loglevel>
            <logback.appender>CONSOLE</logback.appender>
        </properties>
        <build>
            <plugins>
                <plugin>
                    <groupId>com.github.trecloux</groupId>
                    <artifactId>yeoman-maven-plugin</artifactId>
                    <version>0.1</version>
                    <configuration>
                        <yeomanProjectDirectory>${project.basedir}</yeomanProjectDirectory>
                    </configuration>
                    <executions>
                        <execution>
                            <id>run-grunt</id>
                            <phase>generate-resources</phase>
                            <goals>
                                <goal>build</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>2.5</version>
                    <configuration>
                        <filesets>
                            <fileset>
                                <directory>dist</directory>
                            </fileset>
                            <fileset>
                                <directory>.tmp</directory>
                            </fileset>
                            <fileset>
                                <directory>node_modules</directory>
                            </fileset>
                        </filesets>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <configuration>
                        <arguments>
                            <argument>--spring.profiles.active=prod</argument>
                        </arguments>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>

<properties>
    <!-- Maven build properties -->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <java.version>1.7</java.version>

    <metrics-spring.version>3.0.0-RC4</metrics-spring.version>
    <HikariCP.version>1.3.3</HikariCP.version>
    <commons-lang.version>2.6</commons-lang.version>
    <commons-io.version>2.4</commons-io.version>
    <javax.inject.version>1</javax.inject.version>
    <joda-time-hibernate.version>1.3</joda-time-hibernate.version>
    <geronimo-javamail_1.4_mail.version>1.8.3</geronimo-javamail_1.4_mail.version>
    <usertype.core.version>3.1.0.CR10</usertype.core.version>
    <springloaded.version>1.2.0.BUILD-20140214.165636-1</springloaded.version>
    <awaitility.version>1.4.0</awaitility.version>
    <json-path.version>0.9.1</json-path.version>
    <assertj-core.version>1.5.0</assertj-core.version>
    <maven-enforcer-plugin.version>1.3.1</maven-enforcer-plugin.version>
    <sonar-maven-plugin.version>2.2</sonar-maven-plugin.version>

    <postgresql.version>9.3-1100-jdbc41</postgresql.version>
</properties>

<repositories>
    <repository>
        <id>spring-milestones</id>
        <name>Spring Milestones</name>
        <url>http://repo.spring.io/milestone</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
    <repository>
        <id>spring-snapshots</id>
        <name>Spring Snapshots</name>
        <url>http://repo.spring.io/snapshot</url>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </repository>
    <repository>
        <id>org.jboss.repository.releases</id>
        <name>JBoss Maven Release Repository</name>
        <url>https://repository.jboss.org/nexus/content/repositories/releases</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>
<pluginRepositories>
    <pluginRepository>
        <id>spring-snapshots</id>
        <url>http://repo.spring.io/libs-snapshot</url>
        <snapshots><enabled>true</enabled></snapshots>
    </pluginRepository>
    <pluginRepository>
        <id>spring-milestones</id>
        <url>http://repo.spring.io/milestone</url>
        <snapshots><enabled>true</enabled></snapshots>
    </pluginRepository>
</pluginRepositories>

<prerequisites>
    <maven>3.0.0</maven>
</prerequisites>

<dependencies>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-core</artifactId>
    </dependency>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-ehcache</artifactId>
        <version>${codahale-metrics.version}</version>
    </dependency>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-graphite</artifactId>
    </dependency>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-jvm</artifactId>
        <version>${codahale-metrics.version}</version>
    </dependency>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-servlet</artifactId>
        <version>${codahale-metrics.version}</version>
    </dependency>
    <dependency>
        <groupId>com.codahale.metrics</groupId>
        <artifactId>metrics-servlets</artifactId>
        <exclusions>
            <exclusion>
                <groupId>com.codahale.metrics</groupId>
                <artifactId>metrics-healthchecks</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-json-org</artifactId>
        <version>${jackson.version}</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-hppc</artifactId>
        <version>${jackson.version}</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-joda</artifactId>
    </dependency>
    <dependency>
        <groupId>com.ryantenney.metrics</groupId>
        <artifactId>metrics-spring</artifactId>
        <version>${metrics-spring.version}</version>
    </dependency>
    <dependency>
        <groupId>com.zaxxer</groupId>
        <artifactId>HikariCP</artifactId>
        <version>${HikariCP.version}</version>
        <exclusions>
            <exclusion>
                <groupId>com.sun</groupId>
                <artifactId>tools</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <!-- The HikariCP Java Agent is disabled by default, as it is experimental
    <dependency>
        <groupId>com.zaxxer</groupId>
        <artifactId>HikariCP-agent</artifactId>
        <version>1.3.0</version>
    </dependency>
    -->
    <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>${commons-lang.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>${commons-io.version}</version>
    </dependency>
    <dependency>
        <groupId>javax.inject</groupId>
        <artifactId>javax.inject</artifactId>
        <version>${javax.inject.version}</version>
    </dependency>
    <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time</artifactId>
    </dependency>
    <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time-hibernate</artifactId>
        <version>${joda-time-hibernate.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.geronimo.javamail</groupId>
        <artifactId>geronimo-javamail_1.4_mail</artifactId>
        <version>${geronimo-javamail_1.4_mail.version}</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>${hibernate-entitymanager.version}</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-ehcache</artifactId>
        <version>${hibernate-entitymanager.version}</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-validator</artifactId>
    </dependency>
    <dependency>
        <groupId>org.jadira.usertype</groupId>
        <artifactId>usertype.core</artifactId>
        <version>${usertype.core.version}</version>
    </dependency>
    <dependency>
        <groupId>org.liquibase</groupId>
        <artifactId>liquibase-core</artifactId>
    </dependency>
    <dependency>
        <groupId>org.liquibase.ext</groupId>
        <artifactId>liquibase-hibernate4</artifactId>
        <version>3.3</version>
        <exclusions>
            <exclusion>
                <groupId>org.hibernate.javax.persistence</groupId>
                <artifactId>hibernate-jpa-2.0-api</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-actuator</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-autoconfigure</artifactId>
        <version>${spring-boot.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-loader-tools</artifactId>
        <version>${spring-boot.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-logging</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-tomcat</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springsource.loaded</groupId>
        <artifactId>springloaded</artifactId>
        <version>${springloaded.version}</version>
        <scope>provided</scope>
    </dependency>       

    <!-- Database dependencies-->
    <dependency>
        <groupId>org.postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>9.3-1100-jdbc41</version>
    </dependency>


    <!-- Test dependencies -->
    <dependency>
        <groupId>com.jayway.awaitility</groupId>
        <artifactId>awaitility</artifactId>
        <version>${awaitility.version}</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>com.jayway.jsonpath</groupId>
        <artifactId>json-path</artifactId>
        <version>${json-path.version}</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.assertj</groupId>
        <artifactId>assertj-core</artifactId>
        <version>${assertj-core.version}</version>
        <scope>test</scope>
    </dependency>
</dependencies>
<build>
    <resources>
        <resource>
            <directory>src/main/resources</directory>
            <filtering>true</filtering>
            <includes>
                <include>**/*</include>
            </includes>
        </resource>
    </resources>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-enforcer-plugin</artifactId>
            <version>${maven-enforcer-plugin.version}</version>
            <executions>
                <execution>
                    <id>enforce-versions</id>
                    <goals>
                        <goal>enforce</goal>
                    </goals>
                    <configuration>
                        <rules>
                            <requireMavenVersion>
                                <message>You are running an older version of Maven. JHipster requires at least Maven 3.0</message>
                                <version>[3.0.0,)</version>
                            </requireMavenVersion>
                            <requireJavaVersion>
                                <message>You are running an older version of Java. JHipster requires at least JDK 1.7</message>
                                <version>[1.7.0,)</version>
                            </requireJavaVersion>
                        </rules>
                    </configuration>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <configuration>
                <argLine>-XX:MaxPermSize=128m -Xmx256m</argLine>
                <forkCount>1</forkCount>
                <reuseForks>false</reuseForks>
                <!-- Force alphabetical order to have a reproducible build -->
                <runOrder>alphabetical</runOrder>
                <classpathDependencyExcludes>
                    <classpathDependencyExclude>org.springsource.loaded:springloaded</classpathDependencyExclude>
                </classpathDependencyExcludes>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <configuration>
                <packagingExcludes>WEB-INF/lib/tomcat-*.jar</packagingExcludes>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-eclipse-plugin</artifactId>
            <configuration>
                <downloadSources>true</downloadSources>
                <downloadJavadocs>true</downloadJavadocs>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>sonar-maven-plugin</artifactId>
            <version>${sonar-maven-plugin.version}</version>
        </plugin>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <arguments>
                    <argument>--spring.profiles.active=dev</argument>
                </arguments>
            </configuration>
        </plugin>
    </plugins>
</build>

NPM

看看最初的JHipster一代中NPM的響應，我實際上也看到了這些日志中的錯誤，如下所述。 有人對此有背景嗎？ 

2400 verbose etag pad-stdio from cache
2401 error Error: No compatible version found: findup-sync@'^0.1.2'
2401 error Valid install targets:
2401 error ["0.1.0","0.1.1","0.1.2","0.1.3"]
2401 error     at installTargetsError (C:\ProgramFiles\nodejs\node_modules\npm\lib\cache.js:719:10)
2401 error     at C:\Program Files\nodejs\node_modules\npm\lib\cache.js:638:10
2401 error     at saved (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-registry-client\lib\get.js:142:7)

即使出現此錯誤，我也可以通過直接npm install findup-sync@0.1.2手動包含findup-sync，但這不能解決Tomcat實例的錯誤。

返回Maven / POM

一定是與com.sun：tools.jar有關的其他事情……通過我的POM，但是如果有人在使用JHipster之前經歷過此事，請大聲疾呼。 感謝您的幫助！

1 個解決方案

解決方案1
 4 已采納  2014-03-18 03:44:37

這里有3個問題：

  1. 我的Eclipse配置指向的是JRE，而不是JDK （其中包含正確的com.sun：tools jar）。 但是，為了進行正確的更新，它不像更新我的JAVA_HOME變量並繼續操作那樣簡單。請參閱下面的步驟1-5。
  2. 我的application-dev.yml屬性文件未指向生成的數據庫。 Eclipse只是在生成連接池時遇到麻煩，並且不會拋出描述性錯誤，反而會炸掉。 請參閱下面的步驟8。
  3. 我的項目是一個春季啟動項目 ，因此無法在Eclipse中的常規Tomcat服務器上執行。 請參閱下面的步驟9。

決議摘要

  1. 將％JAVA_HOME％更改為JDK
  2. 用以下幾行更新eclipse.ini：
    • -vm
    • C：\\ Program Files \\ Java \\ jdk1.7.0_25 \\ bin \\
  3. 更新Eclipse首選項：“窗口>首選項> Java>已安裝的JRE”>刪除並添加新的JDK
  4. 更新項目屬性：“項目>屬性> Java構建路徑”>刪除舊的JRE並添加新的JDK
  5. 關閉所有打開的命令提示符和活動的服務器（可能正在緩存％JAVA_HOME％是...我花了一個小時才意識到這一點）
  6. mvn清潔包裝
  7. 告訴SureFire在POM中構建期間被跳過
  8. 確保將您的application-dev.yml文件更新為指向實際數據庫（在Eclipse中執行只是顯示內存丟失異常，但是運行mvn spring-boot:run將為您提供更好的錯誤報告）。
  9. 如果它是spring-boot應用程序，則應將其作為spring-boot應用程序運行，而不是直接在Eclipse的Tomcat Server上運行。 我還沒有研究為什么會這么痛苦，但是我稍后再講。 如果您知道，請在評論中添加詳細信息。

<skip> true </ skip> ...減去多余的空格

首先在Eclipse中而不是在Maven中運行事物的問題-錯誤日志記錄極具誤導性！

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