maven surefire plugin runtime exception - writing xml report stdout/stderr

Problem: Sometimes you get the RunTime exception in your java projects. Example in an enterprise spring boot application when you use:

> mvn clean install

or, mvn package

See the error snapshot below:

Tests run: 325, Failures: 0, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time:  24:49 min

[INFO] Finished at: 2020-04-13T13:25:50+05:30

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test (default-test) on project postbooking-ndc-pad: Execution default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test failed: java.lang.RuntimeException: org.apache.maven.surefire.report.ReporterException: When writing xml report stdout/stderr: /var/folders/3r/wl3bcq6x0cq1_zxj94xtz6ww0000gn/T/stdout8283814721678605256deferred (No such file or directory) -> [Help 1]

[ERROR] 

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR] 

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

Root cause:

This mainly happens because of using wrong/ old version of suefire in your pom.xml while some parts of your code requires higher versions in compilation.

Possible remediation:

1. Either ignore tests while building

>mvn install -DskipTests

2. or,  use latest Surefire in pom.xml 2.22.0

Story point Estimation guideline

A story point is a metric used in agile project management and development to estimate the difficulty of implementing a given user story, which is an abstract measure of effort required to implement it. In simple terms, a story point is a number that tells the team about the difficulty level of the story. Difficulty could be related to complexities, risks, and efforts involved.

Story point estimation, a kind of relative estimation, is typically performed at the Product Backlog Grooming Sessions and the Product Backlog is evaluated by the team who responsible for the actual development and testing work.

In most of the cases (and as defined by Scrum principles), the story pointing or estimation is done using some pre-decided base story. Every other story is pointed in respect to that story. However, if it is your first story or a new project, you can start with following simple chart.

Story points	Estimation effort
1	< 1 day
2	1
3	2-3 days
5	3-5 days
8	5+ days
8+	It is advised to break the story in simpler

Please note that this is what you do. Your style and the way your organization works might be slightly different. However, the basic idea remains the same. And the goal is also one - Success!

Cheers :)

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find what uses a port like 8080 kill the process on mac

Many a times during debugging, you find that your port is already used. You can find at this point where it is used and kill the process.


Step 1: Find all processes using port
$ netstat -vanp tcp | grep 8080


Step 2: Kill the task
eg: $ sudo kill -9 73804


Refer screen shot below:

cheers :)

Typechecker in hhvm and running Hack program

Let's start with writing a sample program of printing cubes of numbers. eg:

Using the editor of your choice (e.g., VSCode or vim), let's create a file called first.hack with the following code:

<<__entrypoint>> function main(): void { echo "Welcome to Hack! \n\nTutorial by Anwar Faiz\n\n"; \printf("Table of Cubes\n" . "----------------\n"); for ($i = -5; $i <= 5; ++$i) { \printf(" %2d %2d \n", $i, $i * $i * $i); } \printf("----------------\n"); exit(0); }

To see the result of Typechecking:

$ hh_client first.hack

You should see:

No errors!

* Note that however, you might get following error - Error: /Users/mfaiz/ECPCP/hhvm-hack/first.hack is not a directory

But that is other issue. i will explain in next post.

To run the program on client side:

$hhvm first.hack 

You will get following as result.

By the way by now I am already feeling like using Node like application for PHP. This is looking cool. Hurray! 

Take care readers. And pour in your thoughts :)