Maven Central JARs Causing NullPointerException

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I had been getting an odd NullPointerException when calling
SVGGraphics2D.drawRenderedImage,
so I built the library from source to get more debugging information, and
the problem simply went away. I tried recompiling with the debug flag off,
and still couldn't reproduce the problem. I think there might be a problem
with the JARs being hosted in maven central.

I put together a small GitHub repo to reproduce the problem:
https://github.com/SkioDev/batik-debug

This generates this stacktrace:

Exception in thread "main" java.lang.NullPointerException
at org.apache.batik.svggen.ImageHandlerBase64Encoder.encodeImage(Unknown
Source)
at org.apache.batik.svggen.ImageHandlerBase64Encoder.handleHREF(Unknown
Source)
at org.apache.batik.svggen.DefaultImageHandler.handleImage(Unknown Source)
at org.apache.batik.svggen.SimpleImageHandler.handleImage(Unknown Source)
at org.apache.batik.svggen.SVGGraphics2D.drawRenderedImage(Unknown Source)
at com.skio.batik_debug.App.main(App.java:44)


Environment details:

OS: Mac OS X El Capitan Version 10.11.3
JDK: Java(TM) SE Runtime Environment (build 1.8.0_40-b25)
-- 
Cameron Mullen
Founder & CEO - Skio

+1 (214) 232-5010
[email protected]

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<div dir=3D"ltr"><span style=3D"font-size:13px;line-height:19.5px">I had be=
en getting an odd NullPointerException when calling SVGGraphics2D.</span><s=
pan style=3D"font-size:13px;line-height:19.5px">drawRenderedImage, so I bui=
lt the library from source to get more debugging information, and the probl=
em simply went away. I tried recompiling with the debug flag off, and still=
 couldn&#39;t reproduce the problem. I think there might be a problem with =
the JARs being hosted in maven central.</span><div style=3D"font-size:13px;=
line-height:19.5px"><br></div><div style=3D"font-size:13px;line-height:19.5=
px">I put together a small GitHub repo to reproduce the problem:</div><div =
style=3D"font-size:13px;line-height:19.5px"><a href=3D"https://github.com/S=
kioDev/batik-debug" target=3D"_blank">https://github.com/SkioDev/batik-debu=
g</a><br></div><div style=3D"font-size:13px;line-height:19.5px"><br></div><=
div style=3D"font-size:13px;line-height:19.5px">This generates this stacktr=
ace:</div><div style=3D"font-size:13px;line-height:19.5px"><br></div><div s=
tyle=3D"font-size:13px;line-height:19.5px"><div>Exception in thread &quot;m=
ain&quot; java.lang.NullPointerException</div><div><span style=3D"white-spa=
ce:pre-wrap">	</span>at org.apache.batik.svggen.ImageHandlerBase64Encoder.e=
ncodeImage(Unknown Source)</div><div><span style=3D"white-space:pre-wrap">	=
</span>at org.apache.batik.svggen.ImageHandlerBase64Encoder.handleHREF(Unkn=
own Source)</div><div><span style=3D"white-space:pre-wrap">	</span>at org.a=
pache.batik.svggen.DefaultImageHandler.handleImage(Unknown Source)</div><di=
v><span style=3D"white-space:pre-wrap">	</span>at org.apache.batik.svggen.S=
impleImageHandler.handleImage(Unknown Source)</div><div><span style=3D"whit=
e-space:pre-wrap">	</span>at org.apache.batik.svggen.SVGGraphics2D.drawRend=
eredImage(Unknown Source)</div><div><span style=3D"white-space:pre-wrap">	<=
/span>at com.skio.batik_debug.App.main(App.java:44)</div></div><div style=
=3D"font-size:13px;line-height:19.5px"><br></div><div style=3D"font-size:13=
px;line-height:19.5px"><br></div><div style=3D"font-size:13px;line-height:1=
9.5px">Environment details:</div><div style=3D"font-size:13px;line-height:1=
9.5px"><br></div><div style=3D"font-size:13px;line-height:19.5px">OS: Mac O=
S X El Capitan Version 10.11.3</div><div style=3D"font-size:13px;line-heigh=
t:19.5px">JDK: Java(TM) SE Runtime Environment (build 1.8.0_40-b25)</div></=
div><div dir=3D"ltr">-- <br></div><div dir=3D"ltr">Cameron Mullen<div>Found=
er &amp; CEO - Skio</div><div><br></div><div>+1 (214) 232-5010</div><div><a=
 href=3D"mailto:[email protected]">[email protected]</a></div></div>

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