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new b96933086d1 [bugfix](k8s) fix fe.out not generated when start_fe.sh
--console (#60522)
b96933086d1 is described below
commit b96933086d12e3c5880b58b4d2a2d2d1a826fc8c
Author: deardeng <[email protected]>
AuthorDate: Tue Feb 24 14:27:30 2026 +0800
[bugfix](k8s) fix fe.out not generated when start_fe.sh --console (#60522)
When running FE in console mode (start_fe.sh --console), the fe.out log
file was not generated because stdout/stderr were not redirected to the
log file.
The root cause is that the log4j console appender was configured with
target="SYSTEM_OUT", which sends log4j logs to stdout. This makes it
impossible to separate log4j logs from JVM stdout output at the shell
level.
Fix:
1. Change log4j console appender target from SYSTEM_OUT to SYSTEM_ERR in
Log4jConfig.java, so that log4j logs go to stderr (displayed on
terminal) instead of stdout. This also matches the env var name
DORIS_LOG_TO_STDERR.
2. Redirect stdout to fe.out in start_fe.sh console mode, consistent
with daemon mode behavior. The fe.out file now only contains JVM native
output, not log4j formatted logs.
---
bin/start_fe.sh | 2 +-
fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/bin/start_fe.sh b/bin/start_fe.sh
index 39970defd6d..aedea1ad791 100755
--- a/bin/start_fe.sh
+++ b/bin/start_fe.sh
@@ -421,7 +421,7 @@ elif [[ "${RUN_DAEMON}" -eq 1 ]]; then
nohup ${LIMIT:+${LIMIT}} "${JAVA}" ${final_java_opt:+${final_java_opt}}
-XX:-OmitStackTraceInFastThrow -XX:OnOutOfMemoryError="kill -9 %p"
${coverage_opt:+${coverage_opt}} org.apache.doris.DorisFE ${HELPER:+${HELPER}}
"${METADATA_FAILURE_RECOVERY}" "${CLUSTER_SNAPSHOT}" "$@" >>"${STDOUT_LOGGER}"
2>&1 </dev/null &
elif [[ "${RUN_CONSOLE}" -eq 1 ]]; then
export DORIS_LOG_TO_STDERR=1
- ${LIMIT:+${LIMIT}} "${JAVA}" ${final_java_opt:+${final_java_opt}}
-XX:-OmitStackTraceInFastThrow -XX:OnOutOfMemoryError="kill -9 %p"
${coverage_opt:+${coverage_opt}} org.apache.doris.DorisFE ${HELPER:+${HELPER}}
${OPT_VERSION:+${OPT_VERSION}} "${METADATA_FAILURE_RECOVERY}"
"${CLUSTER_SNAPSHOT}" "$@" </dev/null
+ ${LIMIT:+${LIMIT}} "${JAVA}" ${final_java_opt:+${final_java_opt}}
-XX:-OmitStackTraceInFastThrow -XX:OnOutOfMemoryError="kill -9 %p"
${coverage_opt:+${coverage_opt}} org.apache.doris.DorisFE ${HELPER:+${HELPER}}
${OPT_VERSION:+${OPT_VERSION}} "${METADATA_FAILURE_RECOVERY}"
"${CLUSTER_SNAPSHOT}" "$@" >>"${STDOUT_LOGGER}" </dev/null
else
${LIMIT:+${LIMIT}} "${JAVA}" ${final_java_opt:+${final_java_opt}}
-XX:-OmitStackTraceInFastThrow -XX:OnOutOfMemoryError="kill -9 %p"
${coverage_opt:+${coverage_opt}} org.apache.doris.DorisFE ${HELPER:+${HELPER}}
${OPT_VERSION:+${OPT_VERSION}} "${METADATA_FAILURE_RECOVERY}"
"${CLUSTER_SNAPSHOT}" "$@" >>"${STDOUT_LOGGER}" 2>&1 </dev/null
fi
diff --git a/fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java
b/fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java
index 39d13b0e989..b35e076c07f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/common/Log4jConfig.java
@@ -93,12 +93,12 @@ public class Log4jConfig extends XmlConfiguration {
.append("\n<!-- Auto Generated. DO NOT MODIFY IT! -->\n")
.append("<Configuration status=\"info\"
packages=\"org.apache.doris.common\">\n")
.append(" <Appenders>\n")
- .append(" <Console name=\"" + RUNTIME_LOG_CONSOLE_APPENDER +
"\" target=\"SYSTEM_OUT\">\n")
+ .append(" <Console name=\"" + RUNTIME_LOG_CONSOLE_APPENDER +
"\" target=\"SYSTEM_ERR\">\n")
.append(" <PatternLayout charset=\"UTF-8\">\n")
.append(" <Pattern>" + RUNTIME_LOG_PATTERN + "</Pattern>\n")
.append(" </PatternLayout>\n")
.append(" </Console>\n")
- .append(" <Console name=\"" + AUDIT_LOG_CONSOLE_APPENDER + "\"
target=\"SYSTEM_OUT\">\n")
+ .append(" <Console name=\"" + AUDIT_LOG_CONSOLE_APPENDER + "\"
target=\"SYSTEM_ERR\">\n")
.append(" <PatternLayout charset=\"UTF-8\">\n")
.append(" <Pattern>" + AUDIT_LOG_PATTERN + "</Pattern>\n")
.append(" </PatternLayout>\n")
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