问题描述
使用 org.jboss.resteasy:resteasy-client:4.5.9.Final
时,我收到此异常:Caused by: java.lang.IncompatibleClassChangeError: Expected static method 'java.lang.Object org.jboss.resteasy.spi.ResteasyProviderFactory.getContextData(java.lang.class)'
但是,当我使用早期版本时,它似乎工作正常。 (或者至少它的效果足以欺骗我。)
这是我的简化 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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>example-project</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>15</maven.compiler.source>
<maven.compiler.target>15</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<keycloak.version>12.0.4</keycloak.version>
<!-- Seems to work with this version,but not 4.5.9.Final -->
<resteasy.version>3.6.2.Final</resteasy.version>
</properties>
<dependencies>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-admin-client</artifactId>
<version>${keycloak.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<version>${resteasy.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jackson2-provider</artifactId>
<version>${resteasy.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-multipart-provider</artifactId>
<version>${resteasy.version}</version>
</dependency>
</dependencies>
</project>
这是我的代码:
package org.example.keycloak;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.keycloak.OAuth2Constants;
import org.keycloak.admin.client.Keycloak;
import org.keycloak.admin.client.KeycloakBuilder;
public class KeycloakClientAuthExample {
public static void main(String[] args) {
Keycloak keycloak = KeycloakBuilder.builder()
.serverUrl("http://localhost:8080/auth")
.grantType(OAuth2Constants.PASSWORD)
.realm("DungeoneersDemo")
.clientId("dungeoneers-data")
.clientSecret("11111111-2222-3333-4444-555555555555")
.username("user")
.password("pass")
.resteasyClient(
// new ResteasyClientBuilderImpl() // <-- For 4.5.9.Final
new ResteasyClientBuilder()
.connectionPoolSize(10).build()
).build();
keycloak.tokenManager().getAccesstoken();
AccesstokenResponse atr =
keycloak.tokenManager().getAccesstoken();
System.out.println(atr.getToken());
}
}
似乎有效,我得到了对我来说足够像不记名令牌的东西:eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICI2bWhhWUQ..etc...
但是,当我将 resteasy.version
更新到更高版本✳ (4.5.9.Final
) 时,出现错误:
Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: RESTEASY003940: Unable to instantiate MessageBodyReader
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:78)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.getClientinitializedResteasyProviderFactory(RegisterBuiltin.java:54)
at org.jboss.resteasy.client.jaxrs.internal.ResteasyClientBuilderImpl.getProviderFactory(ResteasyClientBuilderImpl.java:372)
at org.jboss.resteasy.client.jaxrs.internal.ResteasyClientBuilderImpl.build(ResteasyClientBuilderImpl.java:390)
at org.sandBox.security.openidc.keycloak.KeycloakClientAuthExample.main(KeycloakClientAuthExample.java:22)
Caused by: java.lang.RuntimeException: RESTEASY003940: Unable to instantiate MessageBodyReader
at org.jboss.resteasy.core.providerfactory.CommonProviders.processproviderContracts(CommonProviders.java:93)
at org.jboss.resteasy.core.providerfactory.ClientHelper.processproviderContracts(ClientHelper.java:104)
at org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryImpl.processproviderContracts(ResteasyProviderFactoryImpl.java:841)
at org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryImpl.registerProvider(ResteasyProviderFactoryImpl.java:829)
at org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryImpl.registerProvider(ResteasyProviderFactoryImpl.java:816)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.registerProviders(RegisterBuiltin.java:109)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:74)
... 4 more
Caused by: java.lang.RuntimeException: RESTEASY003325: Failed to construct public org.jboss.resteasy.plugins.providers.jaxb.JAXBElementProvider()
at org.jboss.resteasy.core.ConstructorInjectorImpl.constructOutsideRequest(ConstructorInjectorImpl.java:250)
at org.jboss.resteasy.core.ConstructorInjectorImpl.construct(ConstructorInjectorImpl.java:209)
at org.jboss.resteasy.core.providerfactory.Utils.createProviderInstance(Utils.java:102)
at org.jboss.resteasy.core.providerfactory.CommonProviders.processproviderContracts(CommonProviders.java:87)
... 10 more
Caused by: java.lang.IncompatibleClassChangeError: Expected static method 'java.lang.Object org.jboss.resteasy.spi.ResteasyProviderFactory.getContextData(java.lang.class)'
at org.jboss.resteasy.plugins.providers.jaxb.AbstractJAXBProvider.<init>(AbstractJAXBProvider.java:52)
at org.jboss.resteasy.plugins.providers.jaxb.JAXBElementProvider.<init>(JAXBElementProvider.java:46)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
at org.jboss.resteasy.core.ConstructorInjectorImpl.constructOutsideRequest(ConstructorInjectorImpl.java:225)
... 13 more
Process finished with exit code 1
✳ 注意:升级到更高版本时,ResteasyClientBuilder
被抽象了,构造函数调用需要替换为new ResteasyClientBuilderImpl()
。
解决方法
我正在输入我的问题,在提交前最后一次调查时,我发现了这个问题,并想我会把它扔掉,以防其他人遇到这个问题。
事实证明,还有另一个 resteasy 依赖需要被拉入,否则,一个旧版本被拉入。当使用新版本的 resteasy-client
时,另一个被拉入的依赖是 {{ 1}}。我将较新的版本添加到我的 pom (org.jboss.resteasy:resteasy-jaxb-provider:3.9.1.Final
) 中,现在似乎一切正常。
不知道为什么会这样。我想,如果 org.jboss.resteasy:resteasy-jaxb-provider:4.5.9.Final
无论如何都拉入了依赖项,它应该拉入相同的版本。