commons-crypto | Apache Commons Crypto | Encryption library

I have a Spring web application(built in maven) with which I connect to my spark cluster(4 workers and 1 master) and to my cassandra cluster(4 nodes). The application starts, the workers communicate with the master and the cassandra cluster is also running. However when I do a PCA(spark mllib) or any other calculation(clustering, pearson, spearman) through the interface of my web-app I get the following error:

java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.apache.spark.rdd.RDD.org$apache$spark$rdd$RDD$$dependencies_ of type scala.collection.Seq in instance of org.apache.spark.rdd.MapPartitionsRDD

which appears on this command:

I know i can add the jar in my project and i can use it, but that's something i don't want to do. I need to use the source code of core Module which we have in the spark_parent_2.12 on github.

I am able to extract the core project from the spark and add it into my project as dependency here is my pom.xml.

project's pom.xml

I’ve got a problem with my axis2 soap client app (nonprofessional). I used axis2, because the generated client worked out of the box. The CXF or metro clients are throwing a lot of warnings because of policies. The webservice server is generated by a SAP tool (oslt). Since a short time, an error occurs, while the app is calling the soap webservice from a test environment of my company (the call of the productive webservice still works). It is a time out:

I'm trying to add a property which uses injection on a spring boot project. Please see the token variable. If I hard coded the token, without @Value it works and managed to be deployed on Wildfly Server (JBoss).

I have verified that lms.token exist in the application.properties lms.token=sometokenvalue. I'm using:

• spring-boot-2.1.2.RELEASE.jar
• spring-core-5.1.2.RELEASE.jar

I am having difficulties creating a basic spark streaming application.

Right now, am trying it on my local machine.

I have done following setup.

-Setup Zookeeper

-Setup Kafka ( Version : kafka_2.10-0.9.0.1)

-Created a topic using below command

kafka-topics.bat --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test

-Started producer and consumer on two different cmd terminals using below commands

Producer :

kafka-console-producer.bat --broker-list localhost:9092 --topic test

Consumer :

kafka-console-consumer.bat --zookeeper localhost:2181 --topic test

Now I can receive the data which I enter in the producer terminal in consumer console.

Now am trying to integrate Kafka into Apache Spark streaming.

Below is a sample code which I referenced from official documents. Kafka & Spark Setup and Kafka & Spark Integration

I'm attempting to use the code here for encryption https://commons.apache.org/proper/commons-crypto/xref-test/org/apache/commons/crypto/examples/CipherByteArrayExample.html. I copied the code word-for-word and I am not sure why I'm getting this exception as I can't find much on the issue. The only part that I changed was "StandardCharsets.UTF_8" to the String "UTF-8." I am also not interested in using Bouncy Castle or the java JCE as alternatives but am open to other libraries that use AES/DES in CBC/ECB modes (I am aware of the dangers of DES/ECB so no need for the lecture). Thank you.

EDIT:

Stack trace (Note that line 62 of Crypto.java is "CryptoCipher encipher=Utils.getCipherInstance(transform, properties) ):