$ fop -r -d -fo fo.xml -pdf test.pdf
Aug 08, 2014 10:30:51 AM org.apache.fop.events.LoggingEventListener processEvent
SEVERE: Image not found. URI: logo.jpg. (See position 77:68)
Aug 08, 2014 10:30:51 AM org.apache.fop.events.LoggingEventListener processEvent
SEVERE: Image not found. URI: logo.jpg. (No context info available)
Aug 08, 2014 10:30:51 AM org.apache.fop.events.LoggingEventListener processEvent
INFO: Rendered page #1.
Aug 08, 2014 10:30:52 AM org.apache.fop.events.LoggingEventListener processEvent
WARNING: Property ID "d2e30" (found on "fo:block") previously used; ID values must be unique within a document! Any reference to it will be considered a reference to the first occurrence in the document. (See position 282:34)
Aug 08, 2014 10:30:52 AM org.apache.fop.events.LoggingEventListener processEvent
WARNING: "fo:table-body" is missing child elements. Required content model: marker* (table-row+|table-cell+) (See position 372:51)
Aug 08, 2014 10:30:52 AM org.apache.fop.cli.Main startFOP
SEVERE: Exception
org.apache.fop.apps.FOPException
java.lang.NullPointerException
	at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:303)
	at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
	at org.apache.fop.cli.Main.startFOP(Main.java:177)
	at org.apache.fop.cli.Main.main(Main.java:208)
Caused by: java.lang.NullPointerException
	at org.apache.fop.fo.FObjMixed.sendCharacters(FObjMixed.java:141)
	at org.apache.fop.fo.FObjMixed.endOfNode(FObjMixed.java:74)
	at org.apache.fop.fo.flow.Block.endOfNode(Block.java:150)
	at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:347)
	at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:181)
	at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.xinclude.XIncludeHandler.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:484)
	at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:300)
	... 3 more

---------

java.lang.NullPointerException
	at org.apache.fop.fo.FObjMixed.sendCharacters(FObjMixed.java:141)
	at org.apache.fop.fo.FObjMixed.endOfNode(FObjMixed.java:74)
	at org.apache.fop.fo.flow.Block.endOfNode(Block.java:150)
	at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:347)
	at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:181)
	at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.xinclude.XIncludeHandler.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:484)
	at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:300)
	at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
	at org.apache.fop.cli.Main.startFOP(Main.java:177)
	at org.apache.fop.cli.Main.main(Main.java:208)