spark sql在maven中出错了，pom.xml一切正常

Question

```scala
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/sql/execution/SparkStrategies$InMemoryScans$
    at org.apache.spark.sql.execution.SparkStrategies.InMemoryScans$lzycompute(SparkStrategies.scala:401)
    at org.apache.spark.sql.execution.SparkStrategies.InMemoryScans(SparkStrategies.scala:401)
    at org.apache.spark.sql.execution.SparkPlanner.strategies(SparkPlanner.scala:45)
    at org.apache.spark.sql.catalyst.planning.QueryPlanner.plan(QueryPlanner.scala:63)
    at org.apache.spark.sql.execution.QueryExecution.sparkPlan$lzycompute(QueryExecution.scala:72)
    at org.apache.spark.sql.execution.QueryExecution.sparkPlan(QueryExecution.scala:68)
    at org.apache.spark.sql.execution.QueryExecution.executedPlan$lzycompute(QueryExecution.scala:77)
    at org.apache.spark.sql.execution.QueryExecution.executedPlan(QueryExecution.scala:77)
    at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3254)
    at org.apache.spark.sql.Dataset.head(Dataset.scala:2489)
    at org.apache.spark.sql.Dataset.take(Dataset.scala:2703)
    at org.apache.spark.sql.Dataset.showString(Dataset.scala:254)
    at org.apache.spark.sql.Dataset.show(Dataset.scala:723)
    at org.apache.spark.sql.Dataset.show(Dataset.scala:682)
    at org.apache.spark.sql.Dataset.show(Dataset.scala:691)
    at CaseClassSchema$.main(CaseClassSchema.scala:31)
    at CaseClassSchema.main(CaseClassSchema.scala)
Caused by: java.lang.ClassNotFoundException: org.apache.spark.sql.execution.SparkStrategies$InMemoryScans$
    at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 17 more
Caused by: java.util.zip.ZipException: invalid LOC header (bad signature)
    at java.util.zip.ZipFile.read(Native Method)
    at java.util.zip.ZipFile.access$1400(ZipFile.java:60)
    at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:734)
    at java.util.zip.ZipFile$ZipFileInflaterInputStream.fill(ZipFile.java:434)
    at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)
    at sun.misc.Resource.getBytes(Resource.java:124)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:462)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    ... 23 more

```