uCosminexus Application Server, Maintenance and Migration Guide
Types of problems that can occur in an application server system are as follows:
The following table describes the data to be acquired for each type of problem.
Table 2-5 List of data to be acquired for each type of problem
Item No. | Type of material | Problem type | |||
---|---|---|---|---|---|
Error message output | System down | Hang-up (No response) | Slow down | ||
1 | Message log#1 | Y | Y | Y | Y |
2 | User log#1 | Y | Y | Y | Y |
3 | Exception log#1 | Y | Y | Y | Y |
4 | Maintenance log#1 | Y | Y | Y | Y |
5 | Trace based performance analysis | Y | Y | Y | Y |
6 | Thread dumps of JavaVM | Y | Y | Y | Y |
7 | Garbage collection logs of JavaVM | P | Y | Y | Y |
8 | Memory dump | -- | Y | Y | Y |
9 | JavaVM log file#2 | -- | Y | Y | Y |
10 | Error report files | -- | Y | -- | -- |
11 | OS state or log | Y | Y | Y | Y |
12 | Statistical information of OS | P | Y | Y | Y |
13 | Definition information | Y | Y | Y | Y |
14 | Operation directory#4 | P | P | P | P |
15 | Resource setting | Y | Y | Y | Y |
16 | Web server log | Y | Y | Y | Y |
17 | JavaVM stack trace#3 | -- | Y | -- | -- |
18 | Event log of the Explicit Heap Memory Management functionality of JavaVM#2 | -- | Y | Y | Y |
All Rights Reserved. Copyright (C) 2013, Hitachi, Ltd.