https://bz.apache.org/bugzilla/show_bug.cgi?id=68778
Bug ID: 68778
Summary: POI 3.5.4 "Fontconfig head is null, check your fonts
or fonts configuration"
Product: POI
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: regression
Priority: P2
Component: SXSSF
Assignee: dev@poi.apache.org
Reporter: de.felix.koe...@gmail.com
Target Milestone: ---
We are running a Quarkus application with Docker, and the base image is an UBI8
(`FROM docker-redhat.sopdock/ubi8/openjdk-21-runtime:1.18`). We are currently
using `org.apache.poi:poi-ooxml:5.2.3` with `SXSSFSheet`s. We are *not* using
`sheet.trackAllColumnsForAutoSizing()` because that requires Fonts to be
installed, which we don't have inside our Docker image.
However, after updating to 5.2.5, we get the error `Fontconfig head is null,
check your fonts or fonts configuration` regardless. I believe this might have
been caused by [this
change](https://github.com/apache/poi/commit/43551babf1cf628aa184a2f9445412815781dc9e)
in 5.2.4:
```diff
diff --git
a/poi-ooxml/src/main/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
b/poi-ooxml/src/main/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
index 44caba42178..d454fc10829 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
@@ -63,8 +63,8 @@ protected SXSSFSheet(SXSSFWorkbook workbook, XSSFSheet
xSheet, int randomAccessW
setRandomAccessWindowSize(randomAccessWindowSize);
try {
_autoSizeColumnTracker = new AutoSizeColumnTracker(this);
- } catch (Throwable t) {
- LOG.atWarn().log("Failed to create AutoSizeColumnTracker, possibly
due to fonts not being installed in your OS", t);
+ } catch (UnsatisfiedLinkError | InternalError e) {
+ LOG.atWarn().log("Failed to create AutoSizeColumnTracker, possibly
due to fonts not being installed in your OS", e);
}
}
@@ -96,8 +96,8 @@ public SXSSFSheet(SXSSFWorkbook workbook, XSSFSheet xSheet)
throws IOException {
setRandomAccessWindowSize(_workbook.getRandomAccessWindowSize());
try {
_autoSizeColumnTracker = new AutoSizeColumnTracker(this);
- } catch (Throwable t) {
- LOG.atWarn().log("Failed to create AutoSizeColumnTracker, possibly
due to fonts not being installed in your OS", t);
+ } catch (UnsatisfiedLinkError | InternalError e) {
+ LOG.atWarn().log("Failed to create AutoSizeColumnTracker, possibly
due to fonts not being installed in your OS", e);
}
}
diff --git a/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
b/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
index d55e3634d52..130169999c4 100644
--- a/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
+++ b/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
@@ -300,12 +300,12 @@ public static int getDefaultCharWidth(final Workbook wb)
{
try {
TextLayout layout = new TextLayout(str.getIterator(),
fontRenderContext);
return (int) layout.getAdvance();
- } catch (Throwable t) {
+ } catch (UnsatisfiedLinkError | NoClassDefFoundError | InternalError
e) {
if (ignoreMissingFontSystem) {
return DEFAULT_CHAR_WIDTH;
}
- throw t;
+ throw e;
}
}
```
Where previously all Throwables were caught, and now only `UnsatisfiedLinkError
| NoClassDefFoundError | InternalError` do. The "Fontconfig head is null"-error
is a RuntimeException: `throw new RuntimeException(fontconfigErrorMessage);`
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