尝试从jdk 10切换到11,并且无法找出哪个库调用此异常:
Caused by: org.gradle.api.GradleException: failed to read class file ../../SomeTestFile.class
...
...
Caused by: java.lang.UnsupportedOperationException
at org.objectweb.asm.ClassVisitor.visitNestMemberExperimental(ClassVisitor.java:248)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:651)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:391)
at org.gradle.api.internal.tasks.testing.detection.AbstractTestFrameworkDetector.classVisitor(AbstractTestFrameworkDetector.java:124)
我正在使用带有以下
build.gradle
的gradle包装器(v4.10.2):buildscript {
ext {
springBootVersion = '2.0.5.RELEASE'
schemaDownloadVersion = '1.6'
generateAvroVersion = '0.14.2'
}
repositories {
mavenCentral()
maven { url "https://plugins.gradle.org/m2/" }
maven { url "http://packages.confluent.io/maven/" }
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
classpath("gradle.plugin.com.amit.plugin.download-registry:registry-schema-download-plugin:${schemaDownloadVersion}")
classpath("com.commercehub.gradle.plugin:gradle-avro-plugin:${generateAvroVersion}")
}
}
apply plugin: 'java'
apply plugin: 'jacoco'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'
apply plugin: 'com.amit.plugin.download-registry'
apply plugin: 'com.commercehub.gradle.plugin.avro'
group = 'com.example'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = 11
repositories {
mavenCentral()
}
ext {
springCloudVersion = 'Finchley.RELEASE'
jaxbVersion = '2.3.0'
activationVersion = '1.1.1'
jmockitVersion = '1.43'
lombokVersion = '1.18.2'
}
jacoco {
toolVersion = '0.8.2'
}
dependencies {
compile('org.springframework.cloud:spring-cloud-starter-oauth2')
compile("javax.xml.bind:jaxb-api:${jaxbVersion}")
compile("com.sun.xml.bind:jaxb-core:${jaxbVersion}")
compile("com.sun.xml.bind:jaxb-impl:${jaxbVersion}")
compile("javax.activation:activation:${activationVersion}")
compileOnly("org.projectlombok:lombok:${lombokVersion}")
testCompile("org.jmockit:jmockit:${jmockitVersion}")
testCompile('org.springframework.boot:spring-boot-starter-test') {
exclude(group: 'org.mockito')
}
}
dependencyManagement {
imports {
mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
}
}
...
研究此问题,我仅发现gradle本身,lombok和jmockit使用
asm
库,这可能会导致此异常。有人可以回答我哪个库调用此异常吗?更新
我发现该文章涉及相同的问题:
https://matsumana.info/blog/2018/09/25/gradle-with-jdk11/
这指向gradle问题这里https://github.com/gradle/gradle/issues/5120
因此,这意味着gradle仍不支持Java 11吗?
最佳答案
Java 11添加了nest based access,因此必须更新任何字节代码编写API(例如ASM)以支持类文件更改。
在6.2.1版本的ASM(which is the one that gradle seems to be using)中查看该方法的源代码:
@Deprecated
public void visitNestMemberExperimental(final String nestMember) {
if (api < Opcodes.ASM7_EXPERIMENTAL) {
throw new UnsupportedOperationException();
}
if (cv != null) {
cv.visitNestMemberExperimental(nestMember);
}
}
所需的API级别是7,目前处于测试阶段。我猜他们在更新依赖项之前正在等待ASM 7的发行版本。