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The base package of Apache Commons Lang 3 is not
org.apache.commons.lang
anymore.
Provided that the error occurs in your own code, you have to replace it with the
org.apache.commons.lang3
package .
If it occurs in external libraries, either upgrade them to a version that uses Lang 3 (if it is possible), or you may have to also keep your older
commons lang
among the dependencies (as explained in the answer by Karol, the distinct packages will prevent possible conflicts anyway).
e.g :
org.apache.commons.lang.StringUtils
in Lang 2.6
org.apache.commons.lang3.StringUtils
in Lang 3
commons-lang3
is using
org.apache.commons.lang3
base package to avoid conflicts with previous versions of
commons-lang
. This allows both
2.X
and
3.X
to be used at the same time.
To update to
3.X
uou have to change the
import
in your code e.g. use
import org.apache.commons.lang3.StringUtils;
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