Weblogic-weblogic problem Record

The "preface" is explained in the blog post:

This article will be recorded in the process of work on the webogic problems, the mastery of the technical level is limited, there may be a lot of knowledge understanding is not enough in-depth or comprehensive, hope everyone points out that the problem of common communication, in the follow-up work and learning, such as found in the content and the actual situation deviation, will improve the blog content.

Body:

1. Problem: Error occurred when deploying selected project package in console

Tips are as follows:

The selected application cannot be accessed.

Unmarshaller failed

Unmarshaller failed

Problem solving: There is a duplicate code line in the Web. xml file

2. Problem: Error occurred when deploying selected project package in console

Tip: 8201

Problem solving: The problem is that there is a class class in the project package that is not compiled and put into the project package, which causes the overall detection of the project package to pass and the class class is recompiled after the problem is resolved.

3, problem: Background WebLogic log Error

The error message appears to be insufficient resources available for the database resource pool, as follows:

"caused by:weblogic.jdbc.extensions.PoolLimitSQLException: Weblogic.common.resourcepool.ResourceLimitException:No resources currently available in Pool JDBC Data Source-0 to Alloc Ate to applications, increase the size of the pool and retry .

Problem solving: The production environment database is a RAC cluster environment, but the data source of the WebLogic console is configured with only instances, resulting in too many single-instance connections, resulting in the inability to provide services, and later modifying the data source configuration to a RAC cluster configuration, that is, connecting the database through server_name.

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Weblogic-weblogic problem Record