Weblogic issues

1. What are the causes for server crash in WebLogic?
2. What is trouble shooting in WebLogic?
3. What is the purpose of WebLogic?
4. What is vulnerability WebLogic?
5. What can cause JVM to crash?
6. Why is JBoss better than WebLogic?
7. Does anyone use WebLogic?
8. What is difference between WebLogic and Tomcat?
9. What is Oracle CVE?
10. What is WebLogic Server 12c?
11. What causes a server to fail?
12. What happens when a server fails?
13. What happens to client when server crashes?

What are the causes for server crash in WebLogic?

WebLogic Server Crashes because of native JDBC driver libraries. As type-2 JDBC drivers use native code, problems in these drivers may lead to a crash of the JVM and WebLogic Server. If your server crashes, check information provided in the Binary Core File Analysis .

What is trouble shooting in WebLogic?

ora-01555 snapshot too old rollback segment number with name too small. Integrate YourKit Java Profiler with a standalone Weblogic Server. Jconsole for monitoring WebLogic Application Server. Multicast Test On The Network.

What is the purpose of WebLogic?

WebLogic Server centralizes application services such as Web server functionality, business components, and access to backend enterprise systems. It uses technologies such as caching and connection pooling to improve resource use and application performance.

What is vulnerability WebLogic?

CVE-2021-2109 - Vulnerability is present in the Oracle WebLogic Server product of Oracle Fusion Middleware Console. Affected versions are 10.3. 6.0. 0, 12.1. ... The vulnerability is easily exploitable and allows a high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server.

What can cause JVM to crash?

A JVM crash could be caused by a programming error in the JRockit JVM or by errors in third-party library code. Identifying and troubleshooting a JVM crash can help you find a temporary workaround until the problem is solved in the JRockit JVM. This may also help Oracle Support to identify and fix the problem faster.

Why is JBoss better than WebLogic?

Key Difference Between WebLogic and JBoss

A JBoss application server is a free moreover open-source product. ... Whereas the latest announcement of the WebLogic server only supports Java EE 5. Configuration and administration are much easy in JBoss, but a UI is not provided.

Does anyone use WebLogic?

Oracle WebLogic is most often used by companies with 50-200 employees and >1000M dollars in revenue. Our data for Oracle WebLogic usage goes back as far as 6 years and 5 months. If you're interested in the companies that use Oracle WebLogic, you may want to check out OpenResty and Apache Tomcat as well.

What is difference between WebLogic and Tomcat?

Weblogic is an enterprise and commercial software which requires a license and has a wide variety of features for large-scale industrial applications that eases the life of a developer whereas Tomcat is a lightweight and free open source software which is suitable for small web application or companies where it is cost ...

What is Oracle CVE?

Common Vulnerabilities and Exposures (CVE) numbers are used by Oracle to identify the vulnerabilities listed in the risk matrices in Critical Patch Update and Security Alert advisories. CVE numbers are unique, common identifiers for publicly known information about security vulnerabilities.

What is WebLogic Server 12c?

WebLogic Server 12c R2 is a fully compatible Java EE 7 implementation, which provides availability of all the API's and features of Java EE 7 to simplify application development using lightweight web-based protocols, such as REST, WebSocket, and Server-Sent Events.

What causes a server to fail?

A variety of events can lead to the failure of a server instance. Often one failure condition leads to another. Loss of power, hardware malfunction, operating system crashes, network partitions, and unexpected application behavior can all contribute to the failure of a server instance.

What happens when a server fails?

Server failure is a common issue that affects all organization types and sizes, and the cost of server downtime can include days without system access to loss of critical business data. This can lead to operation issues, service outages and repair costs.

What happens to client when server crashes?

When a client crashes, restart it as quickly as possible in the usual way. The client recovers its data from its servers through normal operation. Some of the data may be recovered immediately, and some may be recovered lazily as the client requests it.