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Java dynamic dependencies
Is Java “pass-by-reference” or “pass-by-value”?How do I efficiently iterate over each entry in a Java Map?Fastest way to determine if an integer's square root is an integerHow do I read / convert an InputStream into a String in Java?When to use LinkedList over ArrayList in Java?How do I generate random integers within a specific range in Java?How do I convert a String to an int in Java?Creating a memory leak with JavaWhy are static variables considered evil?Dealing with “Xerces hell” in Java/Maven?
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I am analyzing the dependencies of a large java project. I found jdeps for analyzing static dependencies. It is showing a large graph of dependencies. Many jars are not being found, though, for example the jdbc drivers, because they are loaded with "Class.forName()" in the code and jdeps only finds static dependencies.
What is the correct way to analyze the dynamic dependencies of java libraries as well ?
java dependencies dependency-management
asked Mar 25 at 8:54
eduedu
86 bronze badges
add a comment |
I am analyzing the dependencies of a large java project. I found jdeps for analyzing static dependencies. It is showing a large graph of dependencies. Many jars are not being found, though, for example the jdbc drivers, because they are loaded with "Class.forName()" in the code and jdeps only finds static dependencies.
What is the correct way to analyze the dynamic dependencies of java libraries as well ?
java dependencies dependency-management
asked Mar 25 at 8:54
eduedu
86 bronze badges
You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22
add a comment |
I am analyzing the dependencies of a large java project. I found jdeps for analyzing static dependencies. It is showing a large graph of dependencies. Many jars are not being found, though, for example the jdbc drivers, because they are loaded with "Class.forName()" in the code and jdeps only finds static dependencies.
What is the correct way to analyze the dynamic dependencies of java libraries as well ?
java dependencies dependency-management
asked Mar 25 at 8:54
eduedu
86 bronze badges
I am analyzing the dependencies of a large java project. I found jdeps for analyzing static dependencies. It is showing a large graph of dependencies. Many jars are not being found, though, for example the jdbc drivers, because they are loaded with "Class.forName()" in the code and jdeps only finds static dependencies.
What is the correct way to analyze the dynamic dependencies of java libraries as well ?
java dependencies dependency-management
java dependencies dependency-management
asked Mar 25 at 8:54
eduedu
86 bronze badges
asked Mar 25 at 8:54
eduedu
86 bronze badges
asked Mar 25 at 8:54
eduedu
86 bronze badges
asked Mar 25 at 8:54
eduedu
86 bronze badges
asked Mar 25 at 8:54
eduedu
86 bronze badges
86 bronze badges
You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22
add a comment |
You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22
You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22
add a comment |
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You could catch them with JVM's -verbose:class, which logs every class loaded. It could take some work to separate classes loaded by any container or app server you are using. But full paths are there, so not impossible to get useful information.
– joshp
Mar 25 at 8:58
Would this work even if the class is not used during the test ? e.g. I start catching with -verbose:class, but I don't use the mysql jdbc driver during the test. Would the jdbc dependency still be catched? I ask since a thorough and 100% covering test would be impossible..
– edu
Mar 25 at 9:09
It catches whatever classes are loaded in the environment where you collect the data. So tracking JVM output for unit tests will not tell you what is loaded in production. JVM output for a development or integration test server might tell you what you want to know. It depends on your enviornment. It just has to be a full deployment of the components you are interested in, even if the test activity is very limited.
– joshp
Mar 25 at 9:22