Skip to content
Advertisement

Apache Spark Streaming with Java & Kafka

I’m trying to run Spark Streaming example from the official Spark website Those are the dependencies I use in my pom file: This is my Java code: When I try to run it from Eclipse I get following exception: I run this from my IDE (eclipse). Do I have to create and deploy the JAR into spark to make it

Asserting UUID in junit

I have a method which builds an object and returns it. The object as UUID as one of its fields. While building the object, random UUID is generated. Here is the code: Here is my test: I’m just verifying if the correlationId is not null or not. Is there a better way to verify the UUID? Answer The only way

Convert Long to DateTime from C# Date to Java Date

I’ve been trying to read the binary file with Java, and the binary file is written in C#. And some of those data is contain a DateTime data. When DateTime data will be written into the file (in binary), it using DateTime.ToBinary(); on C#. For reading the DateTime data, it will convert first from bytes into long data, using BitConverter.ToInt64(byte[],

Create Post Api in Java for Test Rail

Im trying to create a java post request to create a test run on test rail, however it doesn’t seem to be working heres my code: The testrail documentation is here im looking for the add run http://docs.gurock.com/testrail-api2/reference-runs Any help here how to make this actually work , is completing but nothing is happening. I’m a tester but struggling with

Jasper report blank page

My jrxml and java code below . I am trying to create report with some text and values . However blank report is generated . I am pasing map to fill the report as parameter . I have to add 4-5 static lines and then one dynamic variable . I have added these thing in detailed band .whats wrong Java

Docker and Java – FontConfiguration issue

We’ve got a Java application that generates word documents using a 3rd party (Asposee but I don’t think it matters here). The app is built from a simple Docker file: When we build the application locally (mvn package then docker build) and run the application inside k8s it works well. However, when we build the image in our CI/CD pipeline

java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$Windows.createDirectoryWithMode0

I cannot solve this exception, I’ve read the hadoop docu and all related stackoverflow questions that I could find. My fileSystem.mkdirs(***) throws: I am including the following dependencies in my app (via maven pom.xml), all in version 2.6.0-cdh5.13.0: hadoop-common, hadoop-hdfs, hadoop-client, hadoop-minicluster My filesystem variable is a valid (hadoop-common) FileSystem (org.apache.hadoop.fs.FileSystem). I downloaded the hadoop files from https://github.com/steveloughran/winutils/tree/master/hadoop-2.6.0/bin. I stored

LocalDateTime and SQL Server JDBC 4.2 driver

I’m trying to use new java.time classes with most recent version of Sql Server JDBC driver. As I read it should just work with methods: PreparedStatement.setObject() and ResultSet.getObject(). So I created sample code, and can’t get it work with ResultSets. I don’t know what I’m doing wrong here. This throws an exception: com.microsoft.sqlserver.jdbc.SQLServerException: The conversion to class java.time.LocalDateTime is unsupported.

Advertisement