Hi, i am using apache fop for almost 2 years and i encountered it a great tool. i am using the compiled version: Build-Id: 20070818-190950-GMT+01:00 (vincent [Linux 2.6.20-16-generic i386, Java 1.4.2_14-b05]) and everything works fine.
But recently, i made a report who has the next xsl-fo:
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet version="1.1"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:fo="http://www.w3.org/1999/XSL/Format";
exclude-result-prefixes="fo">
<xsl:output method="xml" version="1.0"
omit-xml-declaration="no" indent="yes"/>
<xsl:template match="xmlreport">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>
<fo:layout-master-set>
<fo:simple-page-master master-name="letter"
page-height="21.59cm" page-width="27.84cm"
margin-top="1.2cm" margin-bottom="1.2cm"
margin-left="1.2cm" margin-right="1.2cm">
<fo:region-body/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="letter">
<fo:flow flow-name="xsl-region-body">
<fo:block font-size="8pt">
<xsl:apply-templates select="pWeeks"/>
</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
<xsl:template match="pWeeks">
<fo:block>
<xsl:if test="position() > 1">
<xsl:attribute name="break-before">page</xsl:attribute>
</xsl:if>
<fo:table>
<fo:table-column column-width="60pt"/>
<fo:table-column/>
<fo:table-body>
<fo:table-row>
<fo:table-cell>
<fo:block>
<!-- png requires Jimi library -->
<fo:external-graphic
src="xsl/logo-60x60.png"/>
</fo:block>
</fo:table-cell>
<fo:table-cell display-align="center"
text-align="center">
<fo:block font-size="2.4em"
font-style="italic"
font-weight="bold">
Company
</fo:block>
<fo:block font-size="1.8em"
font-weight="bold">
Area
</fo:block>
</fo:table-cell>
</fo:table-row>
</fo:table-body>
</fo:table>
<fo:block font-weight="bold" padding-top="1em"
padding-bottom="0.5em" font-size="1.8em">
Pronóstico a 53 Semanas
</fo:block>
<fo:table padding-top="2em">
<fo:table-column column-width="4em"/>
<fo:table-column column-width="20em"/>
<fo:table-body>
<xsl:if test="byDay = 'true'">
<fo:table-row>
<fo:table-cell number-columns-spanned="2">
<fo:block font-weight="bold"
font-size="1.4em"> Detallado a Días </fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block font-weight="bold"> Desde
</fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of select="fromDate"/>
</fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block font-weight="bold"> Hasta
</fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of select="toDate"/>
</fo:block>
</fo:table-cell>
</fo:table-row>
</xsl:if>
<xsl:if test="byDay = 'false'">
<fo:table-row>
<fo:table-cell>
<fo:block font-weight="bold"> Fecha
</fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of
select="generateDate"/> </fo:block>
</fo:table-cell>
</fo:table-row>
</xsl:if>
</fo:table-body>
</fo:table>
<xsl:apply-templates select="tasks/task"/>
</fo:block>
</xsl:template>
<xsl:template match="task">
<fo:block padding-top="1em">
<fo:table padding-top="1em">
<fo:table-column column-width="9em"/>
<fo:table-column/>
<fo:table-body>
<fo:table-row>
<fo:table-cell>
<fo:block font-weight="bold"> <xsl:value-of
select="equipName"/> </fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of
select="equipDescription"/> </fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block> Ubicación </fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of
select="equipLocation"/> </fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block> Descripción </fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of select="description"/>
</fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block> Próxima Emisión </fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of
select="concat(emission, ' - (', emissionBefore, ' / ', emissionAfter,
')')"/> </fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row>
<fo:table-cell>
<fo:block> OTs vencidas </fo:block>
</fo:table-cell>
<fo:table-cell>
<fo:block> <xsl:value-of select="expiredwos"/>
</fo:block>
</fo:table-cell>
</fo:table-row>
</fo:table-body>
</fo:table>
</fo:block>
<fo:block padding-top="1em">
<fo:table table-layout="fixed">
<xsl:for-each select="weeks/week">
<fo:table-column/>
</xsl:for-each>
<fo:table-header>
<fo:table-row
font-weight="bold" background-color="#F0F0F0">
<xsl:for-each select="weeks/week">
<fo:table-cell>
<fo:block text-align="center">
<xsl:value-of select="name"/>
</fo:block>
</fo:table-cell>
</xsl:for-each>
</fo:table-row>
</fo:table-header>
<fo:table-body>
<fo:table-row >
<xsl:for-each select="weeks/week">
<fo:table-cell>
<fo:block text-align="center">
<xsl:value-of select="value"/>
</fo:block>
</fo:table-cell>
</xsl:for-each>
</fo:table-row>
</fo:table-body>
</fo:table>
</fo:block>
</xsl:template>
</xsl:stylesheet>
with this XML the report works fine!
<pWeeks>
<byDay>false</byDay>
<generateDate>jul 9, 08</generateDate>
<fromDate>jun 1, 08</fromDate>
<toDate>jun 30, 08</toDate>
<tasks>
<task>
<equipName>09WD</equipName>
<equipDescription>SISTEMA DE AGUA CONTRA
INCENDI</equipDescription>
<equipLocation></equipLocation>
<emission>ene 4, 08</emission>
<emissionBefore>dic 29, 07</emissionBefore>
<emissionAfter>ene 10, 08</emissionAfter>
<name></name>
<description>REALIZAR MANTENIMIENTO MAYOR A LAS BOMBAS DEL
SISTEMA VS. INCENDIO SIGUIENDO EL PROCEDIMIENTO M4 ANEXO.</description>
<expiredwos>78666</expiredwos>
<weeks>
<week>
<name>1</name>
<value>X</value>
</week>
<week>
<name>2</name>
<value></value>
</week>
<week>
<name>3</name>
<value></value>
</week>
<week>
<name>4</name>
<value></value>
</week>
<week>
<name>5</name>
<value></value>
</week>
<week>
<name>6</name>
<value></value>
</week>
<week>
<name>7</name>
<value></value>
</week>
<week>
<name>8</name>
<value></value>
</week>
<week>
<name>9</name>
<value></value>
</week>
<week>
<name>10</name>
<value></value>
</week>
<week>
<name>11</name>
<value></value>
</week>
<week>
<name>12</name>
<value></value>
</week>
<week>
<name>13</name>
<value></value>
</week>
<week>
<name>14</name>
<value></value>
</week>
<week>
<name>15</name>
<value></value>
</week>
<week>
<name>16</name>
<value></value>
</week>
<week>
<name>17</name>
<value></value>
</week>
<week>
<name>18</name>
<value></value>
</week>
<week>
<name>19</name>
<value></value>
</week>
<week>
<name>20</name>
<value></value>
</week>
<week>
<name>21</name>
<value></value>
</week>
<week>
<name>22</name>
<value></value>
</week>
<week>
<name>23</name>
<value></value>
</week>
<week>
<name>24</name>
<value></value>
</week>
<week>
<name>25</name>
<value>X</value>
</week>
<week>
<name>26</name>
<value></value>
</week>
<week>
<name>27</name>
<value></value>
</week>
<week>
<name>28</name>
<value></value>
</week>
<week>
<name>29</name>
<value></value>
</week>
<week>
<name>30</name>
<value></value>
</week>
<week>
<name>31</name>
<value></value>
</week>
<week>
<name>32</name>
<value></value>
</week>
<week>
<name>33</name>
<value></value>
</week>
<week>
<name>34</name>
<value></value>
</week>
<week>
<name>35</name>
<value></value>
</week>
<week>
<name>36</name>
<value></value>
</week>
<week>
<name>37</name>
<value></value>
</week>
<week>
<name>38</name>
<value></value>
</week>
<week>
<name>39</name>
<value></value>
</week>
<week>
<name>40</name>
<value></value>
</week>
<week>
<name>41</name>
<value></value>
</week>
<week>
<name>42</name>
<value></value>
</week>
<week>
<name>43</name>
<value></value>
</week>
<week>
<name>44</name>
<value></value>
</week>
<week>
<name>45</name>
<value></value>
</week>
<week>
<name>46</name>
<value></value>
</week>
<week>
<name>47</name>
<value></value>
</week>
<week>
<name>48</name>
<value></value>
</week>
<week>
<name>49</name>
<value>X</value>
</week>
<week>
<name>50</name>
<value></value>
</week>
<week>
<name>51</name>
<value></value>
</week>
<week>
<name>52</name>
<value></value>
</week>
</weeks>
</task>
</tasks>
</pWeeks>
but with the next one: it generates an excepcion:
<pWeeks>
<byDay>true</byDay>
<generateDate>jul 9, 08</generateDate>
<fromDate>jun 1, 08</fromDate>
<toDate>jun 30, 08</toDate>
<tasks>
<task>
<equipName>09WD</equipName>
<equipDescription>SISTEMA DE AGUA CONTRA
INCENDI</equipDescription>
<equipLocation></equipLocation>
<emission>ene 4, 08</emission>
<emissionBefore>dic 29, 07</emissionBefore>
<emissionAfter>ene 10, 08</emissionAfter>
<name></name>
<description>REALIZAR MANTENIMIENTO MAYOR A LAS BOMBAS DEL
SISTEMA VS. INCENDIO SIGUIENDO EL PROCEDIMIENTO M4 ANEXO.</description>
<expiredwos>78666</expiredwos>
<weeks>
<week>
<name>1</name>
<value></value>
</week>
<week>
<name>2</name>
<value></value>
</week>
<week>
<name>3</name>
<value></value>
</week>
<week>
<name>4</name>
<value></value>
</week>
<week>
<name>5</name>
<value></value>
</week>
<week>
<name>6</name>
<value></value>
</week>
<week>
<name>7</name>
<value></value>
</week>
<week>
<name>8</name>
<value></value>
</week>
<week>
<name>9</name>
<value></value>
</week>
<week>
<name>10</name>
<value></value>
</week>
<week>
<name>11</name>
<value></value>
</week>
<week>
<name>12</name>
<value></value>
</week>
<week>
<name>13</name>
<value></value>
</week>
<week>
<name>14</name>
<value></value>
</week>
<week>
<name>15</name>
<value></value>
</week>
<week>
<name>16</name>
<value></value>
</week>
<week>
<name>17</name>
<value></value>
</week>
<week>
<name>18</name>
<value></value>
</week>
<week>
<name>19</name>
<value></value>
</week>
<week>
<name>20</name>
<value></value>
</week>
<week>
<name>21</name>
<value></value>
</week>
<week>
<name>22</name>
<value></value>
</week>
<week>
<name>23</name>
<value></value>
</week>
<week>
<name>24</name>
<value></value>
</week>
<week>
<name>25</name>
<value></value>
</week>
<week>
<name>26</name>
<value></value>
</week>
<week>
<name>27</name>
<value></value>
</week>
<week>
<name>28</name>
<value></value>
</week>
<week>
<name>29</name>
<value></value>
</week>
<week>
<name>30</name>
<value></value>
</week>
</weeks>
</task>
</tasks>
</pWeeks>
Excepción: (this is all stack trace)
12:44:47,234 ERROR AWT-EventQueue-0:FOTreeBuilder -
javax.xml.transform.TransformerException: java.lang.NullPointerException
SystemId desconocido; Línea núm.0; Columna núm.0;
java.lang.NullPointerException
i am getting crazy because it has no logic, if the value is empyt or a space
it fails. But when i put any character it works fine.
What i do for now is put an underline, but i'd like to know why it is
throwing that exception...
grettings
--
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