With InterClient 7.5.1 and 8.1.5, the creation of a new JDBC connection in Java 8 fails with
java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
use
com.ibm.db2.jcc db2jcc db2jcc4
replace
com.ibm.db2.jcc db2jcc 10.1
can Solve the problem