I am trying out the spark-cassandra-connector-japi example from here: https://github.com/datastax/spark-cassandra-connector/blob/master/doc/7_java_api.md The maven build fails with the following error: SimpleApp.java:[24,9] cannot find symbol [ERROR] symbol: class CassandraRow [ERROR] location: class SimpleAp…
Tag: java
High memory usage by gradle daemon
I am using Gradle 2.5 to compile a Java project which consists of 5 modules. In order to speed things up I also use the gradle-daemon. However, During compilation there are up to 18 instances of the gradle-daemon running. After compilation finishes there are still 15 instances of the daemon left. The daemons …
Is it possible to set transition speed/time in transition everywhere on android
I’m using Transitions-Everywhere for my app, and I wonder if I can set the transition speed/time of the transitions.. I have something like this: In short, I want the transition to be slower than the default, but I just can’t figure out how to set the speed of the transition! Answer You can set th…
Convert String to javax.json.JsonValue
I have a JsonObject and I need to add new values to it. The values are Strings. There is a method available JsonObject.put(), which takes two variables: String Key. JsonValue value. How to convert the String, which is in the JSON format, to JsonValue so that I can add it to the JsonObject? Answer this:
Insert Null Struct using EclipseLink JPA
I have an Oracle table with an SDO_GEOMETRY column and I am trying to use EclipseLink JPA2 2.6.1 for persistence. My entity class uses a JTS Geometry for geometry objects and I have written a AttributeConverter to convert from a SDO_GEOMETRY to a JTS Geometry. This works well and I can read and write the geom…
Error java.lang.AssertionError: expected: null but was: java.lang.String what does it mean?
I have this strange issue in my Junit 4.12 test code. The application uses Spring Framework 4.1.6 and Hibernate 4. When comparing two beans coming from different databases I get this error What does it mean? How to resolve it? My test class runs with SpringJUnit4ClassRunner and looks similar to this edit: the…
How to get arround java.lang.verrifyError
I am trying to generate a random number with the instrumented code. For that I have added following expression to generate a random number. But it is throwing a verify Error as given below. I have added a long variable and assign the above generated value. But I am getting following exception during the run t…
Connecting to webservice results in com.sun.xml.internal.ws.client.ClientTransportException: The server sent HTTP status code 200: OK
I made a wsdl using sun-jaxws. I created a web service client in Netbeans, and successfully called the wsdl web service. Then I configured my nginx server to access the web service by https. When I call the service over https I get the following error: com.sun.xml.internal.ws.client.ClientTransportException: …
jdbctemplate count queryForInt and pass multiple parameters
How can I pass multiple parameters in jdbcTemplate queryForInt to get the count. I have tried this, But its showing queryForInt as strikes. Answer Both queryForInt() and queryForLong() are deprecated since version 3.2.2 (correct me if mistake). To fix it, replace the code with queryForObject(String, Class). A…
How to resize JScrollPane rowHeader
The code bellow will generate this table: As the image indicates, in this table you can resize the column A, B, … But you cannot resize the column with the lowercase letters a,b,c,e… i.e., the rowHeader of the JScrollPane. Any Ideas how can I do that? Answer As @MadProgrammer has already suggested…