(已经解决)Caused by: java.lang.NoClassDefFoundError: com/google/common/escape/Escapers

背景

spark 读CLICKHOUSE 正确
但是DF 存入clickhouse 表的时候报错：

[Stage 0:>                                                          (0 + 1) / 1]2020-08-10 19:59:26,987 WARN jdbc.JdbcUtils: Requested isolation level 1, but transactions are unsupported
2020-08-10 19:59:27,026 ERROR executor.Executor: Exception in task 0.0 in stage 0.0 (TID 0)
java.lang.NoClassDefFoundError: com/google/common/escape/Escapers
	at ru.yandex.clickhouse.ClickHouseUtil.(ClickHouseUtil.java:9)
	at ru.yandex.clickhouse.util.ClickHouseValueFormatter.formatString(ClickHouseValueFormatter.java:81)
	at ru.yandex.clickhouse.ClickHousePreparedStatementImpl.setString(ClickHousePreparedStatementImpl.java:192)
	at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$org$apache$spark$sql$execution$datasources$jdbc$JdbcUtils$$makeSetter$8.apply(JdbcUtils.scala:552)
	at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$org$apache$spark$sql$execution$datasources$jdbc$JdbcUtils$$makeSetter$8.apply(JdbcUtils.scala:551)
	at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$.savePartition(JdbcUtils.scala:660)
	at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$saveTable$1.apply(JdbcUtils.scala:834)
	at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$saveTable$1.apply(JdbcUtils.scala:834)
	at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1$$anonfun$apply$28.apply(RDD.scala:935)
	at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1$$anonfun$apply$28.apply(RDD.scala:935)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2101)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2101)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
	at org.apache.spark.scheduler.Task.run(Task.scala:123)
	at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:408)
	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:414)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.google.common.escape.Escapers

尝试

上网查到是缺少guava-28.0-jre.jar包

• 把该包放在pyspark jar包下不起作用
• 又放在spark jar 包目录下，依旧不起作用
• 然后又放在Hadoop 目录下，依然不起作用
• finally 放在JAVA_HOME 对应的 jar 包下
• 完美解决