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[英]Why java.lang.NoSuchMethodError when dynamically load a dex jar?
[英]java.lang.NoSuchMethodError when compiling jar
大家好,我使用谷歌視覺 API,當我在 IntelliJ Idea 中運行我的程序時,它運行良好,但是當我編譯 jar 文件時,它在處理照片時出錯
java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;CLjava/lang/Object;)V
at io.grpc.Metadata$Key.validateName(Metadata.java:629)
at io.grpc.Metadata$Key.<init>(Metadata.java:637)
at io.grpc.Metadata$Key.<init>(Metadata.java:567)
at io.grpc.Metadata$AsciiKey.<init>(Metadata.java:742)
at io.grpc.Metadata$AsciiKey.<init>(Metadata.java:737)
at io.grpc.Metadata$Key.of(Metadata.java:593)
at io.grpc.Metadata$Key.of(Metadata.java:589)
at com.google.api.gax.grpc.GrpcHeaderInterceptor.<init>(GrpcHeaderInterceptor.java:60)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:212)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:185)
at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:177)
at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:160)
at com.google.cloud.vision.v1.stub.GrpcImageAnnotatorStub.create(GrpcImageAnnotatorStub.java:114)
at com.google.cloud.vision.v1.stub.ImageAnnotatorStubSettings.createStub(ImageAnnotatorStubSettings.java:151)
at com.google.cloud.vision.v1.ImageAnnotatorClient.<init>(ImageAnnotatorClient.java:136)
at com.google.cloud.vision.v1.ImageAnnotatorClient.create(ImageAnnotatorClient.java:117)
at allClasses.GoogleAPI.detectText(GoogleAPI.java:26)
at allClasses.MainClass.addMarkingPhoto(MainClass.java:129)
at allClasses.MainClass.dir(MainClass.java:95)
at allClasses.MainClass.dir(MainClass.java:86)
at allClasses.MainClass.main(MainClass.java:50)
我讀到這可能是由於依賴關系,但在 maven 中我是新手,無法理解為什么它在 intellij 中有效並且在創建 jar 文件時不起作用
我的pom:
<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>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.2</version>
<configuration>
<archive>
<manifestFile>src/main/resources/META-INF/MANIFEST.MF</manifestFile>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<poi.version>3.15</poi.version>
</properties>
<dependencies>
<dependency>
<groupId>com.google.apis</groupId>
<artifactId>google-api-services-drive</artifactId>
<version>v3-rev110-1.23.0</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>28.2-jre</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.8</version>
</dependency>
<dependency>
<groupId>com.google.api-client</groupId>
<artifactId>google-api-client</artifactId>
<version>1.23.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.7</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.8.7</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.8.7</version>
</dependency>
<dependency>
<groupId>com.auth0</groupId>
<artifactId>java-jwt</artifactId>
<version>3.10.2</version>
</dependency>
<dependency>
<groupId>com.google.oauth-client</groupId>
<artifactId>google-oauth-client-jetty</artifactId>
<version>1.23.0</version>
</dependency>
<dependency>
<groupId>com.mailjet</groupId>
<artifactId>mailjet-client</artifactId>
<version>4.2.1</version>
</dependency>
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>libraries-bom</artifactId>
<version>3.2.0</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>google-cloud-vision</artifactId>
<version>1.84.0</version>
</dependency>
<dependency>
<groupId>com.squareup.okhttp3</groupId>
<artifactId>okhttp</artifactId>
<version>3.9.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.9</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>3.9</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.9</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
<dependency>
<groupId>com.mashape.unirest</groupId>
<artifactId>unirest-java</artifactId>
<version>1.4.9</version>
</dependency>
</dependencies>
<groupId>org.example</groupId>
<artifactId>MyProject</artifactId>
<version>1.0-SNAPSHOT</version>
</project>
我刪除了清單並插入了這個:
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>allClasses.MainClass</mainClass>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
<addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
但什么都沒有改變
可能是什么問題呢? 為什么代碼在 intellij 中有效,在創建 jar 文件后無效?
我看到您引用了一個精確的 MANIFEST 文件,了解其中寫入的內容會很有用,因為我想您知道,在 MANIFEST 文件中既有啟動 class 以及依賴項列表及其位置。 POM 文件沒有明確地構造一個“jar-with-dependency”,因此我假設您構建的 package 不包含使用它所需的依賴項
因此,您有兩個選擇:
1) 通過 maven 插件創建一個“一體式”package,其中包含使用所需的所有依賴項,將“maven-jar-plugin”替換為“maven-assembly-plugin”:
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>{full qualified name of main class}</mainClass>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
<addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
</manifest>
</archive>
</configuration>
</plugin>
2) 通過參數-Djava.library.path、-cp 或類似參數引用外部依賴項
當您編譯 jar 文件時,您需要 package 所需的依賴關系與 jar 文件。 您可以嘗試探索以下配置。 它的作用是它添加了 jar 本身所需的依賴關系,當您嘗試運行 jar 時,它會發現 jar 本身的所有依賴關系。 這里api-all
是我想包含在 jar 本身中的依賴項。 其中有 maven 依賴
<dependency>
<groupId>antlr</groupId>
<artifactId>antlr</artifactId>
<version>2.7.7</version>
<scope>provided</scope>
</dependency>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>com.your.package</Bundle-SymbolicName>
<Export-Package>com.your.package.*;org.apache.commons.beanutils.*</Export-Package>
<Embed-Dependency>api-all,commons-pool,mina-core,antlr</Embed-Dependency>
<Embed-Transitive>true</Embed-Transitive>
<DynamicImport-Package>
org.dom4j, org.dom4j.io, org.jdom, org.jdom.input
</DynamicImport-Package>
<Import-Package>
!org.dom4j.*, !org.xmlpull.v1, !sun.net.util, *
</Import-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
Alternatively you try to provide classpath to dependent jar in command line itself using java -cp.:<file_1_name>.jar:<file_2_name>.jar <prog_name>
我只是在 eclipse 中創建 jar =)
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