asciidoc 警告与 relnotes.py 语法不兼容分析
# 1. 报错现象与日志截图
Sqoop 组件通过 Bigtop 构建 RPM 包时,如果环境未做特别适配,经常出现两类典型报错:
- asciidoc DEPRECATED 语法警告
- relnotes.py python 兼容性报错(print 语法)
下方是部分原始日志片段:
[exec] asciidoc: DEPRECATED: output-args.txt: line 21: old tables syntax
[exec] asciidoc: DEPRECATED: common-args.txt: line 21: old tables syntax
[exec] asciidoc: DEPRECATED: eval.txt: line 46: old tables syntax
[exec] asciidoc: DEPRECATED: common-args.txt: line 21: old tables syntax
[exec] asciidoc: DEPRECATED: compatibility.txt: line 55: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 124: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 190: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 225: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 287: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 306: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 376: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 473: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 497: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 671: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 698: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 716: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 752: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 797: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 839: old tables syntax
[exec] asciidoc: DEPRECATED: connectors.txt: line 1359: old tables syntax
[exec] rm user/SqoopUserGuide.xml
[exec] mkdir -p /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs
[exec] asciidoc --unsafe -a revnumber=1.4.7 \
[exec] -b docbook \
[exec] dev/SqoopDevGuide.txt
[exec] xmlto -o /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs -m web/html.xsl \
[exec] html-nochunks dev/SqoopDevGuide.xml
[exec] rm dev/SqoopDevGuide.xml
[exec] mkdir -p /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs
[exec] cp web/docbook.css /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs
[exec] rsync -a web/images /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs/
[exec] mkdir -p /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs
[exec] asciidoc --unsafe -a revnumber=1.4.7 \
[exec] -b docbook \
[exec] web/index.txt
[exec] xmlto -o /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs -m web/html.xsl \
[exec] html-nochunks web/index.xml
[exec] rm web/index.xml
[exec] make: Leaving directory '/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/src/docs'
[touch] Creating /opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs.timestamp
relnotes-uptodate:
[available] Unable to find build/docs/sqoop-1.4.7.releasenotes.html to set property relnotes.exists
relnotes:
[exec] Current OS is Linux
[exec] Executing 'python' with arguments:
[exec] '/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/src/scripts/relnotes.py'
[exec] '/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build/docs'
[exec] '/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7'
[exec] '81624ddf3c8ca5834ab015ebafc8b8649ac36ab7..HEAD'
[exec] '1.4.7'
[exec] '1.4.6'
[exec]
[exec] The ' characters around the executable and arguments are
[exec] not part of the command.
[exec] File "/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/src/scripts/relnotes.py", line 35
[exec] print "Building release notes is not supported on this platform."
[exec] ^
[exec] SyntaxError: Missing parentheses in call to 'print'. Did you mean print("Building release notes is not supported on this platform.")?
BUILD FAILED
/opt/modules/bigtop/build/sqoop/rpm/BUILD/sqoop-1.4.7/build.xml:969: exec returned: 1
at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:675)
at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:699)
at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:527)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:299)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401)
at org.apache.tools.ant.Project.executeTarget(Project.java:1374)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
at org.apache.tools.ant.Main.runBuild(Main.java:818)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Total time: 1 minute 50 seconds
error: Bad exit status from /var/tmp/rpm-tmp.rdTsNu (%build)
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.rdTsNu (%build)
> Task :sqoop-rpm FAILED
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对应的编译任务最终失败,并返回 Bad exit status。
下面是终端编译过程的可视化截图,便于大家对照分析:
注意
虽然 asciidoc 的 DEPRECATED 提示不会立刻导致构建失败,但 python 语法错误会直接中断任务,影响最终 RPM 输出。
# 2. 问题解析
# 2.1 asciidoc DEPRECATED 语法警告
- 本质原因: Sqoop 官方部分文档 still 使用了 asciidoc 旧版 table 语法,而新版本 asciidoc 已将其标为不推荐(DEPRECATED)。
- 实际影响: 只要没有升级到强制弃用版本,这类警告可忽略,不会直接导致编译失败,仅作提醒。
# 2.2 relnotes.py 语法报错
本质原因: Sqoop 1.4.7 时代默认脚本为 python2 语法(print "xxx"),而新发行版操作系统多已切换 python3 环境(必须 print("xxx") ),两者语法不兼容。
典型报错:
SyntaxError: Missing parentheses in call to 'print'. Did you mean print("...")?
1实际影响: 直接中断,一旦 relnotes.py 执行失败,后续文档和 Release Notes 都不会生成,构建流程提前结束。
# 3. 典型日志对照表
报错类型 | 关键日志片段 | 影响 | 处理建议 |
---|---|---|---|
asciidoc 语法警告 | DEPRECATED: ... old tables syntax | 不影响流程 | 可忽略或优化源码 |
relnotes.py print 报错 | SyntaxError: Missing parentheses in call to 'print' | 构建中断,无法产出 RPM | 修正脚本或软链 python2 |
# 4. 解决方案与实践建议
# 4.1 对于 asciidoc 警告
笔记
只需知晓原因,无需特殊处理。如果有洁癖,可以后续升级 Sqoop 源码,将旧语法全部替换为新表格写法。实际生产场景下,警告可直接跳过。
# 4.2 对于 relnotes.py 兼容性
可以参考这篇文章,我们对在python3环境下做了适配 O-Sqoop版本适配改造(一)
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- 02
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- 03
- [/metrics] — 普通指标写入方法 POST09-17