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### Context
when ever evosuite generates test case for JpaRepository.save(java.lang.Iterable arg0) ,it generate as
JpaRepository.save(nullable(java.lang.Object.class)) .Which results in ClassCastEx…
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Hi, @dartartem @cer , I have just encountered this very odd issue. After a method is called by a saga (in-between steps), I am getting this exception:
```
org.springframework.dao.DataIntegrityViol…
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Hi,
I recently migrated my Spring Boot 2 application to Spring Boot 3. With this migration came a lot of dependencies updates, as expected, and there is now a specific use case where my integration…
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### Describe the bug
The memory limitation of the ClickHouse service on a single node affects insertion, and after restarting ClickHouse, the application service does not recover and keeps looking …
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大佬你好，我这边使用demo，替换成我的jar包之后，把batchinsert的数量设置成1，报了下面这个错误，看不出来是什么原因，麻烦帮忙看下。
2023-10-13 17:01:24.638 [jacg_worker-2] ERROR DbOperator.batchInsert(291) - error
sql: [insert into jacg_method_arg_generi…
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【TiDB 版本】：v4.0.4
【问题描述】：javaWeb程序在切换tidb数据库后，偶尔会抛出db连接断开异常，频率是每天4次左右。
框架：springboot2.2.2.RELEASE
连接池：druid1.1.20
#连接池配置：
#####datasource druid pool
spring.datasource.dynamic.druid.filters= s…
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error are list as blew.
* What went wrong:
Could not resolve all dependencies for configuration ':compileClasspath'.
> Could not resolve io.eventuate.client.java:eventuate-client-java-spring:0.23…
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Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, act…
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### Ⅰ. Issue Description
After upgrading my project to Seata-Spring 2.1, I encountered an issue during startup. My Spring Boot project, which uses Spring Data JPA and Flyway, fails to start when th…
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温少你好，我们最近使用druid出现了connection holder is null 的异常，参考前面的 文章你说需要将druid提升到1.1.5,我们已经将druid的版本提升到了1.1.8版本了，但是程序跑了几天还是会出现这个错误。
druid的配置信息是
filters=stat,config
maxActive=20
initialSize=1
maxWait=60000
…