Sun Java System Application Server 8.1 2005Q2 高可用性管理

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"Sun Java System Application Server Enterprise Edition 8.1 2005Q2 管理指南" 本文档是Sun Microsystems公司为Sun ONE（Open Network Environment）系列产品的核心组件——Sun Java System Application Server Enterprise Edition 8.1 2005Q2 提供的高可用性管理指南。该版本的应用服务器是企业级应用部署的关键平台，旨在提供高效、稳定且可扩展的Java应用程序服务。 在高可用性管理方面，文档涵盖了以下关键知识点： 1. **集群和负载均衡**：为了确保服务不间断，应用服务器支持集群配置，通过负载均衡技术将请求分散到多个服务器，提高系统的并发处理能力和容错能力。 2. **故障转移和恢复机制**：当集群中的某个节点出现故障时，系统能够自动进行故障转移，将工作负载切换到其他健康的节点，保证业务连续性。 3. **热备份和冷备份策略**：文档详细阐述了如何设置和管理热备份和冷备份，确保在系统故障时可以快速恢复服务。 4. **性能监控与调优**：指导用户如何监控系统性能，识别瓶颈，并提供优化建议以提升服务器效率。 5. **安全管理**：包括用户认证、授权、加密和审计等方面，确保应用服务器的数据安全和访问控制。 6. **日志管理和故障诊断**：提供日志文件的配置和分析方法，帮助管理员快速定位和解决问题。 7. **系统维护与升级**：包括定期的软件更新、补丁安装和系统升级过程，以保持系统的最新状态并修复已知问题。 8. **JVM（Java虚拟机）和J2EE（Java 2 Platform, Enterprise Edition）兼容性**：Sun Java System Application Server 支持J2EE规范，提供了运行企业级Java应用程序的环境。 9. **网络配置与通信**：讨论了网络架构对应用服务器性能的影响，以及如何配置网络参数以优化通信。 10. **第三方集成**：由于应用服务器可能与其他系统集成，文档会讲解如何与数据库、消息中间件等第三方组件进行交互。 此外，文档还强调了Sun Microsystems对知识产权的尊重，指出产品可能涉及的专利、版权和许可协议，特别是与Berkeley BSD系统、UNIX系统、SPARC架构等相关的内容。对于美国政府用户，文档提到了遵循FAR（联邦政府采购法规）的相关规定。 这份管理指南是Sun ONE环境中应用服务器运维人员的重要参考资料，提供了实现和维护高可用性环境所需的所有技术和策略。

windows Sun One asp 不支持父路径的解决方法.txt

2013-04-26 上传
Sun One asp 不支持父路径的解决方法

Sun one LDAP Management

2009-03-12 上传
本管理指南介绍了配置和维护基于 Sun ONE Directory Server 的目录服务所需的全 部步骤。其中包括从控制台或命令行配置所有 Directory Server 功能的步骤（如果 适用）。

用c++统计如下文本各个字符的数量： The Wind And The Sun 　　One day the wind said to the sun, “Look at that man walking along the road. I can get his cloak off more quickly than you can.” “We will see about that,” said the sun. “I will let you try first.” So the wind tried to make the man take off his cloak. He blew and blew, but the man only pulled his cloak more closely around himself. “I give up,” said the wind at last. “I cannot get his cloak off.” Then the sun tried. He shone as hard as he could. The man soon became hot and took off his cloak.

2023-05-16 上传
string text = "The Wind And The Sun One day the wind said to the sun, “Look at that man walking along the road. I can get his cloak off more quickly than you can.” “We will see about that,” said ...

c++对如下文本实现Huffman编码：The Wind And The Sun 　　One day the wind said to the sun, “Look at that man walking along the road. I can get his cloak off more quickly than you can.” “We will see about that,” said the sun. “I will let you try first.” So the wind tried to make the man take off his cloak. He blew and blew, but the man only pulled his cloak more closely around himself. “I give up,” said the wind at last. “I cannot get his cloak off.” Then the sun tried. He shone as hard as he could. The man soon became hot and took off his cloak.

2023-05-16 上传
string text = "The Wind And The Sun One day the wind said to the sun, \"Look at that man walking along the road. I can get his cloak off more quickly than you can.\" \"We will see about that,\" said ...

用哈夫曼编码对如下文本编码：The Wind And The Sun 　　One day the wind said to the sun, “Look at that man walking along the road. I can get his cloak off more quickly than you can.” “We will see about that,” said the sun. “I will let you try first.” So the wind tried to make the man take off his cloak. He blew and blew, but the man only pulled his cloak more closely around himself. “I give up,” said the wind at last. “I cannot get his cloak off.” Then the sun tried. He shone as hard as he could. The man soon became hot and took off his cloak.

2023-05-16 上传
首先，计算文本中每个字符出现的次数： | 字符 | 出现次数 | |------|----------| | | 47 | | e | 22 | | t | 19 | | o | 16 | | h | 14 | | n | 13 | | a | 11 | ...从出现次数最少的字符开始构建，每次选取频率最小...

{ "timestamp": "2023-06-01T07:59:10.804+0000", "status": 500, "error": "Internal Server Error", "message": "nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 130", "trace": "org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 130\r\n\tat org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:92)\r\n\tat org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:440)\r\n\tat com.sun.proxy.$Proxy95.selectOne(Unknown Source)\r\n\tat org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)\r\n\tat com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:89)\r\n\tat com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:61)\r\n\tat com.sun.proxy.$Proxy160.isSuccess(Unknown Source)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImp 这段代码有什么问题

2023-06-02 上传
根据这段代码中的错误消息，selectOne() 方法只期望返回一个结果或者 null，但实际上查询返回了 130 个结果，因此抛出了 TooManyResultsException 异常。您可以检查查询语句是否正确，并且确认您想要返回的结果是否...

java 编程 （1）编写一个接口：One To N，只含有一个方法你听dispose(int n). (2)编写一个非抽象类Sun 来实现接口OneToN实现int dispose(int n)接口方法时，要求计算1+2+…+n（3）编写另一个非抽象类Pro来实现接口OneToN,实现int dispose（int n)接口方法时，要求计算1*2…*n

2023-06-08 上传
Sun sun = new Sun(); int sum = sun.dispose(10); // 计算 1 + 2 + ... + 10 System.out.println(sum); // 输出 55 Pro pro = new Pro(); int product = pro.dispose(5); // 计算 1 * 2 * ... * 5 System.out....

OSError: [WinError 1455] 页面文件太小，无法完成操作。 Error loading "E:\anaconda3\envs\sun\lib\site-packages\torch\lib\cufft64_10.dll" or one of its dependencies.

2023-07-21 上传
同时还提示加载 "E:\anaconda3\envs\sun\lib\site-packages\torch\lib\cufft64_10.dll" 或其依赖项时出错。 这个错误通常表示页面文件大小限制导致无法完成所需的操作。页面文件是指操作系统用于虚拟内存管理的一...

cvc-complex-type.2.4.a: Invalid content was found starting with element 'async-supported'. One of '{"http://java.sun.com/xml/ns/javaee":run-as, "http://java.sun.com/xml/ns/javaee":security-role-ref}' is expected.

2023-06-03 上传
这是一个XML文件的错误提示，大致意思是说在某个元素中发现了一个不被支持的子元素"async-supported"，而该元素只能包含 "run-as" 或 "security-role-ref" 这两个子元素之一。这通常是由于XML文件格式不正确或不符合...

@Data List<String> userGroupIds; There is no getter for property named 'deviceTypeIds' in 'class com.zte.smarthome.shcp.upgradeweb.interfaces.dto.CpeQuickSearchConditions' at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:96) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:441) at com.sun.proxy.$Proxy221.selectOne(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:160) List<String> @Data 不能 get吗

2023-06-02 上传
@Data 注解会自动为类生成 getter 和 setter 方法，所以 List<String> userGroupIds 会有对应的 getter 方法，但是异常信息中提到了一个属性名为 'deviceTypeIds' 的属性没有 getter 方法，可能是因为该属性没有被 @...
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