JVM Controller (dejvm) Crashes with High CPU Usage
(Doc ID 1598962.1)
Last updated on MAY 22, 2023
Applies to:
Oracle Forms - Version 11.1.2.0.0 and laterOracle Forms for OCI - Version 12.2.1.4.0 and later
Information in this document applies to any platform.
Symptoms
JVM Controller crashes with high CPU usage.
- When the crash occurs the following stack is "dumped" in the file hs_err_xxx.log :
Stack: [0xffffffff6b400000,0xffffffff6b5fc000], sp=0xffffffff6b5fab90, free space=2026k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [libc.so.1+0x3ca3c] strncmp+0x268
C [librem.so.0+0xeea4] remnfd+0xe4
C [libdeb.so.0+0xec2d4] deprfsubtree+0xf4
C [libdeb.so.0+0xec460] deprftext+0x60
C [dejvm_exe+0x43750] qmt_alloc+0x43750
C [dejvm_exe+0x438f8] qmt_alloc+0x438f8
C [dejvm_exe+0x48e14] qmt_alloc+0x48e14
- When the high CPU usage occurs , the JVM controller will run for some time but the dejvm process uses a large amount of CPU.
Changes
No change
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |