이미지를 삽입하기 전에는 괜찮았는데, 이미지 삽입하고나서 발행(Publishing)을 했더니,
Is not supported image types. View 라는 메시지가 이미지 갯수마다 하나씩 나오네요. 그림은 별거 없고 대충 이런 형태입니다.

웹뷰어로 보면 이상없지만, PDF로 내려받으면 이미지 위치에 해당하는 곳에 UNSUPPORTED IMAGE라고 나와있구요.
catalina.out에 나오는 에러는 다음과 같습니다.
javax.imageio.IIOException: Can''t read input file!
at javax.imageio.ImageIO.read(ImageIO.java:1301)
at com.threerabbitz.pdf.syntax.f.d.g(SourceFile:132)
at com.threerabbitz.pdf.syntax.f.j.a(SourceFile:32)
at com.threerabbitz.pdf.syntax.c.a.a(SourceFile:105)
at com.threerabbitz.pdf.syntax.c.d.a(SourceFile:48)
at com.threerabbitz.pdf.b.a(SourceFile:157)
at com.threerabbitz.book.domain.I.a(SourceFile:154)
at com.threerabbitz.book.controller.PdfController.buildForPublishing(SourceFile:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.threerabbitz.base.h.b(SourceFile:40)
at com.threerabbitz.base.i.a(SourceFile:53)
at com.threerabbitz.base.FrontFilter.doFilter(SourceFile:93)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)