Pandoc 缺失导致 SparkR 构建失败
# 问题现象
在 Spark 3.5.5 通过 Bigtop 体系编译 RPM 包的过程中，执行到 SparkR 相关模块时，构建日志持续输出如下异常：
++ [[ -f /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/conf/spark-env.sh ]]
++ '[' -z '' ']'
++ SCALA_VERSION_1=2.13
++ SCALA_VERSION_2=2.12
++ ASSEMBLY_DIR_1=/opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.13
++ ASSEMBLY_DIR_2=/opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.12
++ ENV_VARIABLE_DOC=https://spark.apache.org/docs/latest/configuration.html#environment-variables
++ [[ -d /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.13 ]]
++ [[ -d /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.13 ]]
++ export SPARK_SCALA_VERSION=2.12
++ SPARK_SCALA_VERSION=2.12
+++ ps -o stat= -p 81435
++ [[ ! S =~ \+ ]]
++ [[ -p /dev/stdin ]]
+ '[' -f /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/RELEASE ']'
+ SPARK_JARS_DIR=/opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.12/jars
+ '[' -d /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/assembly/target/scala-2.12/jars ']'
+ SPARK_HOME=/opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5
+ /usr/local/R-4.4.2/bin/R CMD build /opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/R/pkg
WARNING: ignoring environment value of R_HOME
* checking for file '/opt/modules/bigtop/build/spark/rpm/BUILD/spark-3.5.5/R/pkg/DESCRIPTION' ... OK
* preparing 'SparkR':
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR[33m 25s]
--- re-building 'sparkr-vignettes.Rmd' using rmarkdown
Error: processing vignette 'sparkr-vignettes.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
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Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
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Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
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Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found
--- failed re-building 'sparkr-vignettes.Rmd'
SUMMARY: processing the following file failed:
'sparkr-vignettes.Rmd'
Error: Vignette re-building failed.
Execution halted
error: Bad exit status from /var/tmp/rpm-tmp.JSj4Te (%build)
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.JSj4Te (%build)
> Task :spark-rpm FAILED
FAILURE: Build failed with an exception.
* Where:
Script '/opt/modules/bigtop/packages.gradle' line: 545
* What went wrong:
Execution failed for task ':spark-rpm'.
> Process 'command 'rpmbuild'' finished with non-zero exit value 1
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with
--scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 33m 26s
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报错关键点
从日志中可以明确看到：
Pandoc is required to build R Markdown vignettes but not available.Error in eval(x, envir = envir) : object 'EVAL_CHUNK' not found说明 Pandoc 未安装 是根因，缺失 Pandoc 会导致 SparkR 包构建中的 vignette 生成环节全部失败。
# 原因分析
SparkR 的构建流程默认依赖 R Markdown（rmarkdown 包），而 vignettes 的渲染实际需要调用 Pandoc。如果系统未装 Pandoc，则无论是本地 R CMD build 还是集成到 RPM 过程都会失败。此类环境依赖在 R 社区编译型组件常见，特别是涉及文档自动化和测试用例生成时。
笔记
即使提前装好 R、rmarkdown、knitr 等 R 包，也无法绕开 Pandoc 的二进制依赖！
# 解决方案
只需在目标环境补全 Pandoc 即可。
dnf install -y pandoc
1
若你是 CentOS 7/8 或 RHEL 用户，也可通过 yum install pandoc 或结合 epel-release 安装。
提示
安装完成后，建议重新启动 Spark 构建流程，确保 R CMD build 能成功通过，Vignette 能被正确生成。