kettle无法连接mongodb怎么办

配置好mongodb连接之后，点击预览报下面的错：

报错：

java.lang.NoClassDefFoundError: javax/crypto/spec/PBEKeySpec

at com.mongodb.DBPort$ScramSha1Authenticator$ScramSha1SaslClient.Hi(DBPort.java:822)

at com.mongodb.DBPort$ScramSha1Authenticator$ScramSha1SaslClient.computeClientFinalMessage(DBPort.

java:747)

at com.mongodb.DBPort$ScramSha1Authenticator$ScramSha1SaslClient.evaluateChallenge(DBPort.java:681)

at com.mongodb.DBPort$SaslAuthenticator.authenticate(DBPort.java:904)

at com.mongodb.DBPort.authenticate(DBPort.java:432)

at com.mongodb.DBPort.checkAuth(DBPort.java:443)

at com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:289)

at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:269)

at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:84)

at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:66)

at com.mongodb.DBCursor._check(DBCursor.java:498)

at com.mongodb.DBCursor._hasNext(DBCursor.java:621)

at com.mongodb.DBCursor.hasNext(DBCursor.java:657)

at org.pentaho.mongo.wrapper.cursor.DefaultCursorWrapper.hasNext(DefaultCursorWrapper.java:34)

at org.pentaho.di.trans.steps.mongodbinput.MongoDbInput.processRow(MongoDbInput.java:89)

at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.ClassNotFoundException: javax.crypto.spec.PBEKeySpec not found by org.mongodb.mongo-

java-driver

[59]

at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.

java:1532)

at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:75)

at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1955)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

... 17 more

解决办法：

kettle安装文件目录：data-integrationsystemkarafetcconfig.properties

文件中下部有一行 org.osgi.framework.bootdelegation=（一堆参数）

在末尾处加上 ,javax.crypto,javax.crypto.*

Mongo就可以正常连接读取数据了。

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