Default JRE

[hoonio]

Hello again,

I noticed that the Dockerfile installs JDK 10, which causes exception error on javax/xml/soap. Reinstalled oracle-java8-installer from ppa:webupd8team/java, and it seems to fix the problem.

root@a40553ac4986:/opt/work# java -cp "../itext-ais/jar/signpdf-1.0.6.jar:../itext-ais/lib/*" com.swisscom.ais.itext.SignPDF -config=/opt/work/itext.cfg -type=sign -infile="in/LoremIpsum.pdf" -outfile="out/LoremIpsum.pdf" -v
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.itextpdf.text.io.ByteBufferRandomAccessSource$1 (file:/opt/itext-ais/lib/itextpdf-5.4.5.jar) to method java.nio.DirectByteBuffer.cleaner()
WARNING: Please consider reporting this to the maintainers of com.itextpdf.text.io.ByteBufferRandomAccessSource$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/soap/MessageFactory
	at com.swisscom.ais.itext.Soap.createRequestMessage(Soap.java:794)
	at com.swisscom.ais.itext.Soap.signDocumentStaticCert(Soap.java:433)
	at com.swisscom.ais.itext.Soap.sign(Soap.java:297)
	at com.swisscom.ais.itext.SignPDF.runSigning(SignPDF.java:155)
	at com.swisscom.ais.itext.SignPDF.main(SignPDF.java:123)
Caused by: java.lang.ClassNotFoundException: javax.xml.soap.MessageFactory
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
	... 5 more

root@a40553ac4986:/opt/work# java -version
openjdk version "10.0.1" 2018-04-17
OpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1)
OpenJDK 64-Bit Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode)