Spring batch 抛出NoClassDefFoundError的示例项目：com/fasterxml/jackson/databind/ObjectMapper
我已经按照计划实施了这个项目 但我得到了： 创建名为“batchConfigurer”的bean时出错：调用init方法失败；嵌套的异常是java.lang.NoClassDefFoundError:com/fasterxml/jackson/databind/ObjectMapper 我是新来的Spring batch 抛出NoClassDefFoundError的示例项目：com/fasterxml/jackson/databind/ObjectMapper,spring-batch,Spring Batch,我已经按照计划实施了这个项目 但我得到了： 创建名为“batchConfigurer”的bean时出错：调用init方法失败；嵌套的异常是java.lang.NoClassDefFoundError:com/fasterxml/jackson/databind/ObjectMapper 我是新来的 任何人都可以提供帮助吗？以下各项工作正常： $>git clone https://github.com/spring-guides/gs-batch-processing.git $>c
任何人都可以提供帮助吗？以下各项工作正常：
$>git clone https://github.com/spring-guides/gs-batch-processing.git
$>cd gs-batch-processing/complete
$>./mvnw clean install
$>./mvnw spring-boot:run
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:: Spring Boot :: (v2.1.4.RELEASE)
2019-05-30 12:23:12.642 INFO 90644 --- [ main] hello.Application : Starting Application on localhost with PID 90644 (/private/tmp/gs-batch-processing/complete/target/classes started by mbenhassine in /private/tmp/gs-batch-processing/complete)
2019-05-30 12:23:12.646 INFO 90644 --- [ main] hello.Application : No active profile set, falling back to default profiles: default
2019-05-30 12:23:13.333 INFO 90644 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2019-05-30 12:23:13.338 WARN 90644 --- [ main] com.zaxxer.hikari.util.DriverDataSource : Registered driver with driverClassName=org.hsqldb.jdbcDriver was not found, trying direct instantiation.
2019-05-30 12:23:13.683 INFO 90644 --- [ main] com.zaxxer.hikari.pool.PoolBase : HikariPool-1 - Driver does not support get/set network timeout for connections. (feature not supported)
2019-05-30 12:23:13.687 INFO 90644 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2019-05-30 12:23:14.091 INFO 90644 --- [ main] o.s.b.c.r.s.JobRepositoryFactoryBean : No database type set, using meta data indicating: HSQL
2019-05-30 12:23:14.277 INFO 90644 --- [ main] o.s.b.c.l.support.SimpleJobLauncher : No TaskExecutor has been set, defaulting to synchronous executor.
2019-05-30 12:23:14.437 INFO 90644 --- [ main] hello.Application : Started Application in 2.114 seconds (JVM running for 5.2)
2019-05-30 12:23:14.438 INFO 90644 --- [ main] o.s.b.a.b.JobLauncherCommandLineRunner : Running default command line with: []
2019-05-30 12:23:14.503 INFO 90644 --- [ main] o.s.b.c.l.support.SimpleJobLauncher : Job: [FlowJob: [name=importUserJob]] launched with the following parameters: [{run.id=1}]
2019-05-30 12:23:14.530 INFO 90644 --- [ main] o.s.batch.core.job.SimpleStepHandler : Executing step: [step1]
2019-05-30 12:23:14.590 INFO 90644 --- [ main] hello.PersonItemProcessor : Converting (firstName: Jill, lastName: Doe) into (firstName: JILL, lastName: DOE)
2019-05-30 12:23:14.590 INFO 90644 --- [ main] hello.PersonItemProcessor : Converting (firstName: Joe, lastName: Doe) into (firstName: JOE, lastName: DOE)
2019-05-30 12:23:14.590 INFO 90644 --- [ main] hello.PersonItemProcessor : Converting (firstName: Justin, lastName: Doe) into (firstName: JUSTIN, lastName: DOE)
2019-05-30 12:23:14.590 INFO 90644 --- [ main] hello.PersonItemProcessor : Converting (firstName: Jane, lastName: Doe) into (firstName: JANE, lastName: DOE)
2019-05-30 12:23:14.590 INFO 90644 --- [ main] hello.PersonItemProcessor : Converting (firstName: John, lastName: Doe) into (firstName: JOHN, lastName: DOE)
2019-05-30 12:23:14.604 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : !!! JOB FINISHED! Time to verify the results
2019-05-30 12:23:14.607 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : Found <firstName: JILL, lastName: DOE> in the database.
2019-05-30 12:23:14.607 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : Found <firstName: JOE, lastName: DOE> in the database.
2019-05-30 12:23:14.607 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : Found <firstName: JUSTIN, lastName: DOE> in the database.
2019-05-30 12:23:14.607 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : Found <firstName: JANE, lastName: DOE> in the database.
2019-05-30 12:23:14.607 INFO 90644 --- [ main] hello.JobCompletionNotificationListener : Found <firstName: JOHN, lastName: DOE> in the database.
2019-05-30 12:23:14.610 INFO 90644 --- [ main] o.s.b.c.l.support.SimpleJobLauncher : Job: [FlowJob: [name=importUserJob]] completed with the following parameters: [{run.id=1}] and the following status: [COMPLETED]
。\uuuuuuuuuuuu_
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
：：弹簧靴：：（v2.1.4.版本）
2019-05-30 12:23:12.642 INFO 90644---[main]你好。应用程序：使用PID 90644在本地主机上启动应用程序（/private/tmp/gs batch processing/complete/target/classes start by mbenhassine in/private/tmp/gs batch processing/complete）
2019-05-30 12:23:12.646信息90644---[main]你好。应用程序：未设置活动配置文件，返回默认配置文件：默认
2019-05-30 12:23:13.333信息90644---[main]com.zaxxer.hikari.HikariDataSource:hikaripol-1-开始。。。
2019-05-30 12:23:13.338警告90644---[main]com.zaxxer.hikari.util.DriverDataSource:找不到driverClassName=org.hsqldb.jdbcDriver的注册驱动程序，正在尝试直接实例化。
2019-05-30 12:23:13.683信息90644---[main]com.zaxxer.hikari.pool.PoolBase:HikariPool-1-驱动程序不支持获取/设置连接的网络超时。（不支持此功能）
2019-05-30 12:23:13.687信息90644---[main]com.zaxxer.hikari.HikariDataSource:hikaripol-1-启动完成。
2019-05-30 12:23:14.091信息90644---[main]o.s.b.c.r.s.JobRepositoryFactoryBean:未设置数据库类型，使用元数据指示HSQL
2019-05-30 12:23:14.277信息90644---[main]o.s.b.c.l.support.SimpleZoblancher:未设置TaskExecutor，默认为synchronous executor。
2019-05-30 12:23:14.437信息90644---[main]你好。应用程序：在2.114秒内启动应用程序（JVM运行5.2）
2019-05-30 12:23:14.438信息90644---[main]o.s.b.a.b.JobLauncherCommandLineRunner:运行默认命令行时使用：[]
2019-05-30 12:23:14.503信息90644---[main]o.s.b.c.l.support.simplejoblancher:Job:[FlowJob:[name=importUserJob]]使用以下参数启动：[{run.id=1}]
2019-05-30 12:23:14.530信息90644---[main]o.s.batch.core.job.simplestphandler:执行步骤：[step1]
2019-05-30 12:23:14.590信息90644---[main]你好。Personimprocessor:将（名字：吉尔，姓氏：Doe）转换为（名字：吉尔，姓氏：Doe）
2019-05-30 12:23:14.590信息90644---[main]你好。Personimprocessor:将（名：乔，姓：多伊）转换为（名：乔，姓：多伊）
2019-05-30 12:23:14.590信息90644---[main]你好。Personimprocessor:将（名字：Justin，姓氏：Doe）转换为（名字：Justin，姓氏：Doe）
2019-05-30 12:23:14.590信息90644---[main]你好。PersonItemProcessor:将（名字：Jane，名字：Doe）转换为（名字：Jane，名字：Doe）
2019-05-30 12:23:14.590信息90644---[main]你好。PersonItemProcessor:将（名字：John，姓氏：Doe）转换为（名字：John，姓氏：Doe）
2019-05-30 12:23:14.604信息90644---[main]你好。JobCompletionNotificationListener:！！！工作完成了！是时候验证结果了
2019-05-30 12:23:14.607信息90644---[main]hello.JobCompletionNotificationListener:在数据库中找到。
2019-05-30 12:23:14.607信息90644---[main]hello.JobCompletionNotificationListener:在数据库中找到。
2019-05-30 12:23:14.607信息90644---[main]hello.JobCompletionNotificationListener:在数据库中找到。
2019-05-30 12:23:14.607信息90644---[main]hello.JobCompletionNotificationListener:在数据库中找到。
2019-05-30 12:23:14.607信息90644---[main]hello.JobCompletionNotificationListener:在数据库中找到。
2019-05-30 12:23:14.610信息90644---[main]o.s.b.c.l.support.simplejoblancher:Job:[FlowJob:[name=importUserJob]]已完成，参数为：[{run.id=1}]，状态为：[completed]
如您所见，没有NoClassDefFoundError2个JAR已损坏，jackson数据绑定和log4 虽然mvn clean安装错误是日志中的
（无效LOC头错误签名）我不得不从.m2中删除文件夹，然后运行
mvn clean install