在 Tomcat 10 中部署 Spring Boot 3.1.0 MongoDB 应用程序时出现问题

问题描述 投票：0回答：1

我的应用程序是基于 Java 11、Spring Boot 2.7.10、spring-data-mongo 和 Tomcat 9 构建的。它运行得很好。我决定将 Spring Boot 升级到 3.1.0 和 Java 17。我使用 IntelliJ IDEA 进行开发。

当我在 IDE 中运行升级后的应用程序时，它在嵌入式 Tomcat 上运行完全正常。未检测到问题。

但是，当我尝试将构建的 WAR 文件部署到外部 Tomcat 的 /webapps 时，它可能会导致内存泄漏。

注意：我曾经以相同的方式将旧的 Java 11 版本部署到外部 Tomcat 9（工作完全正常）。

org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [gis] appears to have started a thread named [BufferPoolPruner-1-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
 [email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:252)
 [email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1672)
 [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
 [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
 [email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1062)
 [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1122)
 [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
 [email protected]/java.lang.Thread.run(Thread.java:840)
06-Dec-2023 14:28:57.393 WARNING [Catalina-utility-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [gis] appears to have started a thread named [boundedElastic-evictor-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
 [email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:252)
 [email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1672)
 [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
 [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
 [email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1062)
 [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1122)
 [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
 [email protected]/java.lang.Thread.run(Thread.java:840)
06-Dec-2023 14:28:57.393 SEVERE [Catalina-utility-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [gis] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@1ddabdea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@4e8d4990]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.

我的POM

<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.1.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>com.diyalo</groupId>

    <artifactId>gis</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <name>gis</name>

    <packaging>war</packaging>

    <description>Gis Mapping Project</description>

    <properties>
        <java.version>17</java.version>
    </properties>


    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>6.0.2</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</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-validation</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-webflux</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</artifactId>
            <version>3.0.7</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-websocket</artifactId>
            <version>3.0.0</version>
        </dependency>


        <!-- https://mvnrepository.com/artifact/com.google.guava/guava-collections -->
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava-collections</artifactId>
            <version>r03</version>
        </dependency>

        <dependency>
            <groupId>com.googlecode.json-simple</groupId>
            <artifactId>json-simple</artifactId>
            <version>1.1.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.14.0</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>com.auth0</groupId>
            <artifactId>java-jwt</artifactId>
            <version>4.3.0</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/net.bull.javamelody/javamelody-core -->
        <dependency>
            <groupId>net.bull.javamelody</groupId>
            <artifactId>javamelody-spring-boot-starter</artifactId>
            <version>1.92.0</version>
        </dependency>

        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt</artifactId>
            <version>0.9.1</version>
        </dependency>

        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.4.0-b180830.0359</version>
        </dependency>

        <dependency>
            <groupId>org.jetbrains</groupId>
            <artifactId>annotations</artifactId>
            <version>23.1.0</version>
            <scope>compile</scope>
        </dependency>

    </dependencies>


    <build>
        <finalName>gis</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>${project.parent.version}</version>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>


            </plugin>
        </plugins>
    </build>

</project>

我搜索了所有可能的结果，但没有成功。

java spring mongodb spring-boot spring-data-mongodb
1个回答
0
投票

https://tomcat.apache.org/tomcat-10.0-doc/config/context.html 这些都应该在应用程序的服务器主机或应用程序上下文元素中设置

清除参考RmiTargets

这个就像错误消息中的抱怨之一 清除参考停止线程

清除ReferencesObjectStreamClassCaches

清除参考RmiTargets

这个也出现了错误消息的严重问题，因为它提到使用 Executor 设置 但这也在 Context 元素中设置 反资源锁定

https://tomcat.apache.org/tomcat-10.0-doc/config/engine.html 当使用引擎的 Executor 元素时，应从 bin/setenv.sh 命令行设置分配给 Tomcat 的 cpu 核心数： 启动停止线程

在此 HTML 页面的中间到三分之二处，您可以看到 setenv.sh 中的 Tomcat 命令行以及 Oracle 公司的 cpu 核心标志。 1.8.0_202 jdk/jre 级别 https://drive.google.com/file/d/1VipRDFmIWYBoaYbzYx0G70jyMKlSBIGe/view?usp=drivesdk

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