Janino is a super-small, super-fast Java™ compiler.
Official page: http://docs.codehaus.org/display/JANINO/Home#Home-what
Documentation: http://docs.codehaus.org/display/JANINO/Documentation
Questions tagged [janino]
54 questions
19
votes
1 answer
Logback: "Could not find Janino library on the class path"
I'm getting error message Could not find Janino library on the class path. Skipping conditional processing. What should I incude in classpath to fix this (lib and version)?
fedor.belov
- 19,444
- 25
- 79
- 121
14
votes
5 answers
Overriding line number in generated Java source
Is there any way to override the line numbers in Java (e.g., by using some kind of preprocessor directive)?
I am "compiling" a high-level language, down to Java byte code using Janino. I need compiler errors to report the line from the original…
Ryan Emerle
- 14,410
- 8
- 47
- 67
13
votes
4 answers
Apache Spark Codegen Stage grows beyond 64 KB
I'm getting an error when I'm feature engineering on 30+ columns to create about 200+ columns. It is not failing the job, but the ERROR shows. I want to know how can I avoid this.
Spark - 2.3.1 Python - 3.6
Cluster Config - 1 Master - 32 GB RAM, 16…
Aakash Basu
- 1,137
- 2
- 15
- 39
5
votes
3 answers
Options for dynamic compilation in Java 5
Are there any options other than Janino for on-the-fly compiliation and execution of Java code in v5? I know v6 has the Compiler API, but I need to work with the v5 VM.
I essentially need to take a string containing a complete Java class, compile…
Ryan Emerle
- 14,410
- 8
- 47
- 67
4
votes
0 answers
Compiling java with Janino (broken Classpath)
I Am trying to compile very simple class with Janino:
import org.codehaus.commons.compiler.CompileException;
import org.codehaus.janino.ClassBodyEvaluator;
import java.io.IOException;
import java.io.StringReader;
public class JaninoTest{
…
Purple
- 663
- 1
- 10
- 18
4
votes
1 answer
How does the condtion functionality work in Logback?
I use this logback configuration file:
%d{HH:mm:ss.SSS} [%-10.-10thread] %-5level %-30logger{1} - %msg%n
…
theomega
- 29,902
- 21
- 83
- 125
4
votes
2 answers
Different logfile for integration testing
I am using SL4j and Logback for a web application hosted in Tomcat. I use Spring and Maven (no profiles). Integration testing is done with the Surefire plugin:
org.apache.maven.plugins
…
ChrLipp
- 15,033
- 9
- 70
- 105
3
votes
1 answer
Closing single quote missing while comparing strings in XML for Logback with Janino
Using Logback's conditional processing to compare two Strings in a Logback XML configuration file as follows ...
... results in the…
Kumar
- 41
- 5
3
votes
0 answers
Janino ExpressionEvaluator not guessing all parameters?
Consider a simple use case for the ExpressionEvaluator class of the Janino library, i.e. when using it to guess the parameters of an expression, as follows:
public static String[] getParameters(String expression) { // Suppress exceptions
try {
…
PNS
- 17,431
- 26
- 86
- 131
2
votes
0 answers
Logback - Custom log file empty, how to configure logger?
I have three classes with loggers in different packages:
com.asd.def.Class1;
com.some.package.Class2;
com.foo.bar.Class3;
In each class I create a new logger the same way, note that each logger ends with the same "some_logger" name:
private static…
attom93
- 21
- 2
2
votes
0 answers
janino compile Java code throws "class could not be found exception"
Backgroud
I use squirrel state machine and want to generate its relate class(state,event,context,etc.) dynamicly(state might change)
I tried to generate and compile Java code after Springboot application started.
There are four files A,B,C,D.
A,B,C…
zhng2ae
- 21
- 2
2
votes
2 answers
"else if" in janino logback configuration
I am trying to use janino conditional statements in logback configuration and it is working fine with "if" and "else". But I want to ask if there is it possible to write "else if" in it?
My case -
N..
- 1,406
- 3
- 21
- 37
2
votes
3 answers
adding maven dependency causing java.lang.ClassNotFoundException
I have an application which is working fine until I have introduced the following maven dependencies.
joda-time
joda-time
2.3
…
thevillageguy
- 103
- 2
- 9
2
votes
1 answer
Janino compile several classes
I have tried Janino and I'm able to execute a dynamic class, by passing a String to janino compiler.
Now, I should create several classed dynamically, and then import them into another dynamic class.
An example:
Compile class A from String
Compile…
GiacomoLicari
- 423
- 1
- 7
- 18
2
votes
1 answer
conditions in logback configuration
I'm trying to remove redundant logback config files by using janino's conditional processing.
Below is the conditional logic which I had added