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Java客户端访问HTTPS站点（服务器）时，Java客户端的会试图构建一个从当前服务器证书到信任的根证书颁发机构（CA）的信任路径，如果无法成功构建这条路径，就可能抛出如下异常：javax.net.ssl.SSLHandshakeException：表示SSL/TLS握手失败。可能是由于服务器证书...

[帮助文档] 采样日志中报错为java.net.SocketException: Socket closed时的解决方案

问题现象如果压测的是HTTPS接口，同时在压测进行过程中出现RT（响应时间）逐渐变高，TPS和成功率都有跌零或者相应的趋势。这时，单击压测报告右上角的查看采样日志，单击操作列的点击查看详情，打开采样日志看到的报错如下（选择HTTP模板更清晰）。压测报告查看采样日志操作点击查看详情详细的文本参考如下。...

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[帮助文档] 常见问题JavaGC日志分析报错

1. ATP自动失败探测在使用Java GC日志分析过程中，偶尔您可能会遇到分析失败的情况，如下图所示：ATP会尝试尽可能探测分析错误，并给出失败原因和潜在解决方案，您可以点击分析细节查看：或者您也可以参考本文剩余部分尝试解决。2. 常见分析失败情况Can not recognize file fo...

[帮助文档] Dataphin如何解决创建MaxCompute自定义函数报错java.net.SocketException:Networkisunreachable(connectfailed)

问题描述创建MaxCompute自定义函数时，在代码中调用了其他API，或者有访问外部网络的操作。本地调用UDF函数正常，但是传入Dataphin注册之后，报错“java.net.SocketException: Network is unreachable (connect failed)”。问题...

[帮助文档] Dataphin管道任务同步数据报错java.lang.OutOfMemoryError:Compressedclassspace

问题描述用户使用管道任务同步数据时报错“java.lang.OutOfMemoryError: Compressed class space”。问题原因管道任务运行过程中压缩类空间溢出，默认大小1GB。解决方案创建一个shell任务，内容如下：@required_resource{required_...

spring配置管理hibernateTemplate然后直接注解使用 - java报错

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Spring使用XML配置好还是注解的方式好？哪种优点更多，整体更好？ - java报错

使用注解的时候也是需要在XML里面必要的扫描配置，不能完全脱离配置文件。而且自定义的类还好，如果是JDK 或者第三方的jar包，就没有办法在里面加注解。而且，使用面向接口编程，如果一个接口有多个实现类呢?注解的方式就不知道注入哪个类的对象了，XML配置的话，因为在bean标签里只能配置普通类（不能是...

spring配置管理hibernateTemplate然后直接注解使用-java报错

" 这是spring配置：spring-applicationContext.xml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xml...

SpringMVC注解获取不到配置文件配置 - java报错

利用springMVC的注解得不到配置文件内容： dbconfig.properties jdbc.type=mysql jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://127.0.0.1:3306/demo?useUnicode=tr...

springboot集成shiro @RequiresPermissions注解无效 -java报错

 springboot集成shiro   @RequiresPermissions注解无效，，下面是shiro   配置 /** * 配置安全管理器 * * @author zhengkai */ @Bean("securityManager") public...

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