将 Logback appender 与标准 App Engine Java 11 一起用于 Cloud Logging 时出现 NullPointerException
[英]NullPointerException when using Logback appender for Cloud Logging with standard App Engine Java 11
问题描述
I've followed this guide to write my application logs to Cloud Logging using the logback appender.
我已按照本指南使用 logback appender 将我的应用程序日志写入 Cloud Logging。 My app is a Jetty web-server which I run by adding the following entry-point to my app.yaml file:我的应用程序是一个 Jetty 网络服务器，我通过将以下入口点添加到我的 app.yaml 文件来运行它：
runtime: java11
entrypoint: 'java -cp "*" com.jettymain.Main webapp.war'
This is the added dependency in the pom file.这是在 pom 文件中添加的依赖项。
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>google-cloud-logging-logback</artifactId>
<version>0.122.1-alpha</version>
</dependency>
This the logback.xml file located in src\\main\\resources:这是位于 src\\main\\resources 中的 logback.xml 文件：
<!-- [START logging_logback_config] -->
<configuration>
<appender name="CLOUD" class="com.google.cloud.logging.logback.LoggingAppender">
<log>application.log</log> <!-- Optional : default java.log -->
<resourceType>gae_app</resourceType> <!-- Optional : default: auto-detected, fallback: global -->
<flushLevel>WARN</flushLevel> <!-- Optional : default ERROR -->
</appender>
<root level="info">
<appender-ref ref="CLOUD" />
</root>
</configuration>
<!-- [END logging_logback_config] -->
This is how I'm using the logger:这就是我使用记录器的方式：
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Quickstart {
private static final Logger logger = LoggerFactory.getLogger(Quickstart.class);
public static void main(String[] args) {
logger.info("Logging INFO with Logback");
logger.error("Logging ERROR with Logback");
}
}
When I run the application this is the exception I get:当我运行应用程序时，这是我得到的异常：
ERROR in ch.qos.logback.core.joran.spi.Interpreter@23:14 - RuntimeException in Action for tag [appender] com.google.cloud.logging.LoggingException: java.lang.NullPointerException
at com.google.cloud.logging.LoggingException: java.lang.NullPointerException
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingRpcFactory.create(LoggingOptions.java:63)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingRpcFactory.create(LoggingOptions.java:55)
at at com.google.cloud.ServiceOptions.getRpc(ServiceOptions.java:560)
at at com.google.cloud.logging.LoggingOptions.getLoggingRpcV2(LoggingOptions.java:129)
at at com.google.cloud.logging.LoggingImpl.<init>(LoggingImpl.java:122)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingFactory.create(LoggingOptions.java:46)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingFactory.create(LoggingOptions.java:41)
at at com.google.cloud.ServiceOptions.getService(ServiceOptions.java:540)
at at com.google.cloud.logging.logback.LoggingAppender.getLogging(LoggingAppender.java:275)
at at com.google.cloud.logging.logback.LoggingAppender.start(LoggingAppender.java:236)
at at ch.qos.logback.core.joran.action.AppenderAction.end(AppenderAction.java:90)
at at ch.qos.logback.core.joran.spi.Interpreter.callEndAction(Interpreter.java:309)
at at ch.qos.logback.core.joran.spi.Interpreter.endElement(Interpreter.java:193)
at at ch.qos.logback.core.joran.spi.Interpreter.endElement(Interpreter.java:179)
at at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:62)
at at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
at at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
at at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
at at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
at at ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:75)
at at ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:150)
at at org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:84)
at at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:55)
at at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)
at at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)
at at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:417)
at at io.grpc.netty.shaded.io.netty.util.internal.logging.Slf4JLoggerFactory.<init>(Slf4JLoggerFactory.java:42)
at at io.grpc.netty.shaded.io.netty.util.internal.logging.InternalLoggerFactory.newDefaultFactory(InternalLoggerFactory.java:44)
at at io.grpc.netty.shaded.io.netty.util.internal.logging.InternalLoggerFactory.getDefaultFactory(InternalLoggerFactory.java:69)
at at io.grpc.netty.shaded.io.netty.util.internal.logging.InternalLoggerFactory.getInstance(InternalLoggerFactory.java:92)
at at io.grpc.netty.shaded.io.netty.util.internal.logging.InternalLoggerFactory.getInstance(InternalLoggerFactory.java:85)
at at io.grpc.netty.shaded.io.netty.util.internal.PlatformDependent.<clinit>(PlatformDependent.java:80)
at at io.grpc.netty.shaded.io.netty.util.AsciiString.<init>(AsciiString.java:223)
at at io.grpc.netty.shaded.io.netty.util.AsciiString.<init>(AsciiString.java:210)
at at io.grpc.netty.shaded.io.netty.util.AsciiString.cached(AsciiString.java:1401)
at at io.grpc.netty.shaded.io.netty.util.AsciiString.<clinit>(AsciiString.java:48)
at at io.grpc.netty.shaded.io.grpc.netty.Utils.<clinit>(Utils.java:74)
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder.<clinit>(NettyChannelBuilder.java:82)
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelProvider.builderForAddress(NettyChannelProvider.java:38)
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelProvider.builderForAddress(NettyChannelProvider.java:24)
at at io.grpc.ManagedChannelBuilder.forAddress(ManagedChannelBuilder.java:39)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:348)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.access$1900(InstantiatingGrpcChannelProvider.java:82)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider$1.createSingleChannel(InstantiatingGrpcChannelProvider.java:239)
at at com.google.api.gax.grpc.ChannelPool.create(ChannelPool.java:72)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:249)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:227)
at at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:205)
at at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:136)
at at com.google.cloud.logging.spi.v2.GrpcLoggingRpc.<init>(GrpcLoggingRpc.java:148)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingRpcFactory.create(LoggingOptions.java:61)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingRpcFactory.create(LoggingOptions.java:55)
at at com.google.cloud.ServiceOptions.getRpc(ServiceOptions.java:560)
at at com.google.cloud.logging.LoggingOptions.getLoggingRpcV2(LoggingOptions.java:129)
at at com.google.cloud.logging.LoggingImpl.<init>(LoggingImpl.java:122)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingFactory.create(LoggingOptions.java:46)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingFactory.create(LoggingOptions.java:41)
at at com.google.cloud.ServiceOptions.getService(ServiceOptions.java:540)
at at com.google.cloud.logging.LoggingHandler.getLogging(LoggingHandler.java:361)
at at com.google.cloud.logging.LoggingHandler.<init>(LoggingHandler.java:195)
at at com.google.cloud.logging.LoggingHandler.<init>(LoggingHandler.java:151)
at at com.google.cloud.logging.LoggingHandler.<init>(LoggingHandler.java:120)
at at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at at org.eclipse.jetty.server.handler.ContextHandler$StaticContext.createInstance(ContextHandler.java:2881)
at at org.eclipse.jetty.servlet.ServletContextHandler$Context.createInstance(ServletContextHandler.java:1299)
at at org.eclipse.jetty.server.handler.ContextHandler$StaticContext.createListener(ContextHandler.java:2892)
at at org.eclipse.jetty.servlet.ListenerHolder.doStart(ListenerHolder.java:94)
at at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:369)
at at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1449)
at at org.eclipse.jetty.maven.plugin.JettyWebAppContext.startWebapp(JettyWebAppContext.java:328)
at at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1414)
at at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:910)
at at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:288)
at at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:524)
at at org.eclipse.jetty.maven.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:397)
at at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
at at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
at at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at at org.eclipse.jetty.server.Server.start(Server.java:423)
at at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
at at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at at org.eclipse.jetty.server.Server.doStart(Server.java:387)
at at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:449)
at at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:310)
at at org.eclipse.jetty.maven.plugin.JettyRunWarExplodedMojo.execute(JettyRunWarExplodedMojo.java:59)
at at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
at at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
at at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
at at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
at at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
at at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
at at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
at at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
at at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
at at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
at at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
at at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
at at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
at at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
at at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
at at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
Caused by: java.io.IOException: java.lang.NullPointerException
at at com.google.cloud.logging.spi.v2.GrpcLoggingRpc.<init>(GrpcLoggingRpc.java:187)
at at com.google.cloud.logging.LoggingOptions$DefaultLoggingRpcFactory.create(LoggingOptions.java:61)
at ... 120 common frames omitted
Caused by: java.lang.NullPointerException
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder$NettyTransportFactory.<init>(NettyChannelBuilder.java:682)
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder.buildTransportFactory(NettyChannelBuilder.java:530)
at at io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder$NettyChannelTransportFactoryBuilder.buildClientTransportFactory(NettyChannelBuilder.java:188)
at at io.grpc.internal.ManagedChannelImplBuilder.build(ManagedChannelImplBuilder.java:621)
at at io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:264)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:383)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.access$1900(InstantiatingGrpcChannelProvider.java:82)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider$1.createSingleChannel(InstantiatingGrpcChannelProvider.java:239)
at at com.google.api.gax.grpc.ChannelPool.create(ChannelPool.java:72)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:249)
at at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:227)
at at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:205)
at at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:136)
at at com.google.cloud.logging.spi.v2.GrpcLoggingRpc.<init>(GrpcLoggingRpc.java:148)
1 个解决方案
解决方案1
0 2021-10-14 08:04:28
The easiest way to solve this issue would be to build a simple hello world application and try to achieve the grouping under the request logs.解决这个问题最简单的方法是构建一个简单的hello world应用程序，并尝试在请求日志下实现分组。
Refer to the link to achieve this.请参阅链接以实现此目的。
Here's the workaround on how to group the logs under the request logs :以下是如何在请求日志下对日志进行分组的解决方法：
In the main file SpringbootApplication.java :在主文件SpringbootApplication.java 中：
there is the following method:有以下方法：
@GetMapping("/")
public String hello(@RequestHeader(value = "x-cloud-trace-context") String traceId) {
String[] parts = traceId.split("/");
String trace = parts[0];
MDC.put("logging.googleapis.trace", String.format("projects/%s/traces/%s", "YOUR_PROJECT_ID", trace));
logger.info("Logging INFO with Logback" + trace);
logger.error("Logging ERROR with Logback" + trace);
return trace;
} }
I am getting the x-cloud-trace-context header by using spring mvc annotation and setting the first part of the trace in the MDC.我通过使用 spring mvc 注释并在 MDC 中设置跟踪的第一部分来获取 x-cloud-trace-context 标头。 You can either keep this method or use a http request filter to abstract this part away, instead of doing it in each method.您可以保留此方法或使用 http 请求过滤器将这部分抽象出来，而不是在每个方法中都这样做。 Also make sure to replace "YOUR_PROJECT_ID" with your actual projectid.还要确保将“YOUR_PROJECT_ID”替换为您的实际项目 ID。
The MDC property is then picked up by the TraceLoggingEventEnhancer defined in the logback.xml file which then makes sure that all logs show up under your request log. MDC 属性然后由 logback.xml 文件中定义的 TraceLoggingEventEnhancer 获取，然后确保所有日志都显示在您的请求日志下。
Note : Google has provided a fix as mentioned here .注意：Google 已提供了此处提到的修复程序。 Make sure you are using the latest version for google-cloud-core.确保您使用的是最新版本的 google-cloud-core。
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